If the velocity of an object is tripled its kinetic energy is multiplied by?

If the velocity of an object is tripled its kinetic energy is multiplied by?
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When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's: w) momentum x) potential energy y) kinetic energy z) mass

Description : When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's: w) momentum x) potential energy y) kinetic energy z) mass

Last Answer : ANSWER: W -- MOMENTUM

A rocket is moving up with a velocity v. If the velocity of this rocket is suddenly tripled, what will be the ratio of two kinetic energies? -Physics 9th

Description : A rocket is moving up with a velocity v. If the velocity of this rocket is suddenly tripled, what will be the ratio of two kinetic energies? -Physics 9th

Last Answer : hope its clear

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Last Answer : B. the distance covered during the time interval divided by the time interval (Answer)

In the impact problems the following conditions must always be satisfied a.The total kinetic energy remains unchanged b.The total linear momentum remains unchanged c.The magnitude of the total linear momentum is multiplied by the coefficient of restitution d.The kinetic energy of the system is reduced by a factor proportional to the coefficient of restitution e.None of the above

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Description : An object of mass m and velocity v has kinetic energy= 200J. Find the new kinetic energy if the mass of the object becomes double and velocity still remains the same? -Physics 9th

Last Answer : let the k.e. in first case be x x = 1/2*m*v^2=200j in second case let the kinetic energy be x' v'=v m'=2m x'= 1/2*2m*v^2 x'= 2(1/2*m*v^2) x'=2(x) x'=2*200j x'=400j

If the momentum of a body is tripled, its KE will -Physics

Description : If the momentum of a body is tripled, its KE will -Physics

Last Answer : It becomes nine times its original value.

What is the distance traveled by the turtle during the seventh minute if it walked 0.3 m in the first minute then it tripled its speed each minute?

Description : What is the distance traveled by the turtle during the seventh minute if it walked 0.3 m in the first minute then it tripled its speed each minute?

Last Answer : Initial (average) speed = distance/time = 0.3 m / 1 min = 0.3m/minIf it triples its speed every minute:for the second minute it walks at 3 0.3m/minfor the third minute it walks at 3² 0.3 m/minfor the nth minute it ... time→ distance in 7th minute = 3⁶ 0.3 m/min 1 min = 3⁶ 0.3 m =218.7 m

Since 2008, the Fed has tripled the monetary base: why is there so little inflation?

Description : Since 2008, the Fed has tripled the monetary base: why is there so little inflation?

Last Answer : answer:Because the value of shit has tripled as well during that time. Currency equal value of stuff. = No inflation. If more currency than stuff, then we get inflation. If less currency than stuff ... is equal to the perceived value of goods and service in an economy, there should be no inflation.

When the length and cross sectional area of a wire are both tripled, the resistance _____________. A. increases nine fold B. increases three fold C. remains the same D. decreases six fold

Description : When the length and cross sectional area of a wire are both tripled, the resistance _____________. A. increases nine fold B. increases three fold C. remains the same D. decreases six fold

Last Answer : Answer: C

If bandwidth is doubled, the signal power is _________. A. not changed B. quadrupled C. tripled D. doubled

Description : If bandwidth is doubled, the signal power is _________. A. not changed B. quadrupled C. tripled D. doubled

Last Answer : A. not changed

When a product is moved to a new location on the Perceptual Map, the Perceived Age (or Age) is: a. not affected. b. doubled. c. divided in half. d. tripled. e. other.

Description : When a product is moved to a new location on the Perceptual Map, the Perceived Age (or Age) is: a. not affected. b. doubled. c. divided in half. d. tripled. e. other.

Last Answer : c. divided in half.

If the distance between two objects, each of mass 'M', is tripled, the force of attraction between the two objects is: w) 1/2 the original force x) 1/3 the original force y) 1/9 the original force z) unchanged

Description : If the distance between two objects, each of mass 'M', is tripled, the force of attraction between the two objects is: w) 1/2 the original force x) 1/3 the original force y) 1/9 the original force z) unchanged

Last Answer : ANSWER: Y -- 1/9 THE ORIGINAL FORCE 

If the cost price of shoes doubles, then the loss gets tripled of what it was initially. The initial loss % was ?

Description : If the cost price of shoes doubles, then the loss gets tripled of what it was initially. The initial loss % was ?

Last Answer : Let the cost price be y and selling price be z.  Loss = y-z  When the cost price doubles, the loss gets tripled.  So it becomes like this, 2y – z = 3(y-z)  y=2z  Loss % = (2z-z/2z*100) = 50 %

When you drop an object from a height does its kinetic energy increase or decrease as it falls?

Description : When you drop an object from a height does its kinetic energy increase or decrease as it falls?

Last Answer : decrease

What is the meaning of the term “velocity factor” of a transmission line? A. The ratio of the characteristic impedance of the line to the terminating impedance B. The index of shielding for coaxial cable. C. The velocity of the wave on the transmission line multiplied by the velocity of light in a vacuum. D. The velocity of the wave on the transmission line divided by the velocity of light in a vacuum.

Description : What is the meaning of the term velocity factor of a transmission line? A. The ratio of the characteristic impedance of the line to the terminating impedance B. The index of shielding for coaxial ... The velocity of the wave on the transmission line divided by the velocity of light in a vacuum.

Last Answer : D. The velocity of the wave on the transmission line divided by the velocity of light in a vacuum.

What is the meaning of the term velocity factor of a transmission line? A. The index of shielding for coaxial cable B. The velocity of the wave on the transmission line multiplied by the velocity of light in vacuum C. The ratio of the characteristic impedance of the line to the terminating impedance D. The velocity of the wave on the transmission line divided by the velocity of light in a vacuum

Description : What is the meaning of the term velocity factor of a transmission line? A. The index of shielding for coaxial cable B. The velocity of the wave on the transmission line multiplied by the velocity of ... The velocity of the wave on the transmission line divided by the velocity of light in a vacuum

Last Answer : D. The velocity of the wave on the transmission line divided by the velocity of light in a vacuum

A car is accelerated on a levelled road and attains a velocity 4 times of its initial velocity. In this process the kinetic energy of the car -Physics 9th

Description : A car is accelerated on a levelled road and attains a velocity 4 times of its initial velocity. In this process the kinetic energy of the car -Physics 9th

Last Answer : The kinetic energy becomes 16 time that of initial kinetic energy Final speed = 4 times of initial speed The kinetic energy of car Where, m = mass of car v = initial velocity of car ... of initial velocity, then kinetic energy Hence, The kinetic energy becomes 16 time that of initial kinetic energy

When the velocity of a body is doubled, its 1. acceleration is doubled 2. momentum is doubled 3. kinetic energy becomes four times 4. potential energy is doubled Which of the above is/are correct? (a) 2 only (b) 2 and 3 (c) 3 only (d) 2 and 4

Description : When the velocity of a body is doubled, its 1. acceleration is doubled 2. momentum is doubled 3. kinetic energy becomes four times 4. potential energy is doubled Which of the above is/are correct? (a) 2 only (b) 2 and 3 (c) 3 only (d) 2 and 4

Last Answer : Ans:(b)

A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that (a) Its velocity is constant (b) Its acceleration is constant (c) Its kinetic energy is constant (d) It moves in a circular path

Description : A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that (a) Its ... ) Its acceleration is constant (c) Its kinetic energy is constant (d) It moves in a circular path

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During the motion of a projectile fired from the earth surface, ______. (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

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Last Answer : (4) horizontal component of its velocity remains constant Explanation: The motion of a projectile is a two-dimensional motion-Horizontal motion and vertical motion-that take place independent ... continuously affects the vertical component, so the vertical motion is a uniformly accelerated motion.

Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of its momentum y) the velocity gained by one particle is equal to that lost by the other z) the total kinetic energy before and after the collision remains constant

Description : Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of ... that lost by the other z) the total kinetic energy before and after the collision remains constant

Last Answer : ANSWER: Z -- THE TOTAL KINETIC ENERGY BEFORE AND AFTER THE COLLISION RE

The kinetic energy of a stone falling near the earth's surface through a vacuum increases with the: w) square root of its velocity x) cube root of its velocity y) square of its velocity z) cube of its velocity

Description : The kinetic energy of a stone falling near the earth's surface through a vacuum increases with the: w) square root of its velocity x) cube root of its velocity y) square of its velocity z) cube of its velocity

Last Answer : ANSWER: Y -- SQUARE OF ITS VELOCITY

During the motion of a projectile fired from the earth surface, _______ (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

Description : During the motion of a projectile fired from the earth surface, _______ (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

Last Answer : horizontal component of its velocity remains constant

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Last Answer : Let m1​ and m2​ be the masses of the body Let m1​>m2​Given that m1​v1​=m2​v2​v2​v1​​=m1​m2​​∴ Ratio between their kinetic energies , =K2​K1​​=21​m2​v22​21​m1​v12​​⟹K2​K1​​=m2​m1​​×m12​

What is the kinetic energy of an object with a mass of 12kg, moving at 13 m/s?

Description : What is the kinetic energy of an object with a mass of 12kg, moving at 13 m/s?

Last Answer : 1014 Joules

When a object is vibrating what energy do we say is in the kinetic energy?

Description : When a object is vibrating what energy do we say is in the kinetic energy?

Last Answer : yes

What is the kinetic energy of a 50 newton object resting on the edge of a cliff 30 meters high before it fell?

Description : What is the kinetic energy of a 50 newton object resting on the edge of a cliff 30 meters high before it fell?

Last Answer : What is the answer ?

________ energy is the total kinetic and potential energy of the particles in an object.?

Description : ________ energy is the total kinetic and potential energy of the particles in an object.?

Last Answer : In microscopic particles it's called internal energy. In macroscopic particles it's called thermodynamic energy.

Work done on an object to bring it to certain point in space is called A. gravitational potential energy B. potential energy C. kinetic energy D. mechanical energy

Description : Work done on an object to bring it to certain point in space is called A. gravitational potential energy B. potential energy C. kinetic energy D. mechanical energy

Last Answer : kinetic energy

A block slides down a smooth inclined plane when released from the top while another falls freely from the same point. The value of which parameter in the two cases will be identical? a.Time taken to reach the ground b.Kinetic energy at the ground c.Momentum at the ground d.Velocity while touching the ground e.Kinetic energy after one second

Description : A block slides down a smooth inclined plane when released from the top while another falls freely from the same point. The value of which parameter in the two cases will be identical? a.Time ... ground c.Momentum at the ground d.Velocity while touching the ground e.Kinetic energy after one second

Last Answer : d. Velocity while touching the ground

If the mass of the body is doubled and velocity is made halved, the kinetic energy will become? -Physics 9th

Description : If the mass of the body is doubled and velocity is made halved, the kinetic energy will become? -Physics 9th

Last Answer : New kinetic energy becomes, So, the new kinetic energy of the object gets doubled.

A body is moving with velocity 4 m/s , possesses 56 Joules of Kinetic Energy. The momentum of body will be equal to -Physics

Description : A body is moving with velocity 4 m/s , possesses 56 Joules of Kinetic Energy. The momentum of body will be equal to -Physics

Last Answer : (d) 28 kgms-1

A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_(alpha) = 5.77 MeV`. Find the recoil velocity of a daughter nuc

Description : A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_(alpha) = 5.77 MeV`. Find the recoil velocity of a daughter nuc

Last Answer : A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_( ... accounted for by the recoil energy of daughter nucleus ?

A body moving in a circular path with a constant speed has a - (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Description : A body moving in a circular path with a constant speed has a - (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Last Answer : (3) constant kinetic energy Explanation: In circular motion, the magnitude of the velocity of the body is constant but the direction is constantly changing.

The temperature of a body is an indicator of – (1) The total energy of the molecules of the body (2) The average energy of the molecules of the body (3) The total velocity of the molecules of the body (4) The average kinetic energy of the molecules of the body

Description : The temperature of a body is an indicator of – (1) The total energy of the molecules of the body (2) The average energy of the molecules of the body (3) The total velocity of the molecules of the body (4) The average kinetic energy of the molecules of the body

Last Answer : (4) The average kinetic energy of the molecules of the body

The average kinetic energy of the molecules of an ideal gas is directly proportional to – (1) Velocity of Molecules (2) Mass of Molecules (3) Absolute temperature of the gas (4) Temperature of environment

Description : The average kinetic energy of the molecules of an ideal gas is directly proportional to – (1) Velocity of Molecules (2) Mass of Molecules (3) Absolute temperature of the gas (4) Temperature of environment

Last Answer : (3) Absolute temperature of the gas Explanation: The average kinetic energy of gas molecules is directly proportional to absolute temperature only. This implies that all molecular motion ceases if the temperature is reduced to absolute zero.

Kinetic energy depends on – (1) the velocity or speed of the moving body. (2) the mass of the moving body (3) the pressure of the moving body (4) both mass and velocity of the moving body

Description : Kinetic energy depends on – (1) the velocity or speed of the moving body. (2) the mass of the moving body (3) the pressure of the moving body (4) both mass and velocity of the moving body

Last Answer : (4) both mass and velocity of the moving body Explanation: Kinetic energy is the energy associated with the movement of objects. The amount of kinetic energy that an object has depends upon two variables: the mass (m) of the object and the speed (v) of the object.

If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by – (1) 2 times (2) 4 times (3) 8 times (4) 16 times

Description : If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by – (1) 2 times (2) 4 times (3) 8 times (4) 16 times

Last Answer : (2) 4 times

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Description : If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Last Answer : (2) momentum Explanation: If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same momentum.

A body moving in a circular path with a constant speed has a – (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Description : A body moving in a circular path with a constant speed has a – (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Last Answer : (3) constant kinetic energy Explanation: In circular motion, the magnitude of the velocity of the body is constant but the direction is constantly changing. This means that, even though the speed is ... accelerating. At any instant, the direction of the velocity is a tangent to the circular path.

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Description : If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Last Answer : (2) momentum Explanation: If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same momentum.

If velocity is doubled, kinetic energy be- come?

Description : If velocity is doubled, kinetic energy be- come?

Last Answer : Four times

The kinetic energy correction factor for velocity distribution of laminar flow is (A) 0.5 (B) 1.66 (C) 1 (D) 2

Description : The kinetic energy correction factor for velocity distribution of laminar flow is (A) 0.5 (B) 1.66 (C) 1 (D) 2

Last Answer : (B) 1.66

What is the ratio of total kinetic energy of fluid passing per second to the value obtained on the basis of average velocity (for laminar flow through a circular pipe)? (A) 0.5 (B) 1 (C) 1.5 (D) 2

Description : What is the ratio of total kinetic energy of fluid passing per second to the value obtained on the basis of average velocity (for laminar flow through a circular pipe)? (A) 0.5 (B) 1 (C) 1.5 (D) 2

Last Answer : (D) 2

When a gas is subjected to adiabatic expansion, it gets cooled due to (A) Decrease in velocity (B) Decrease in temperature (C) Decrease in kinetic energy (D) Energy spent in doing work

Description : When a gas is subjected to adiabatic expansion, it gets cooled due to (A) Decrease in velocity (B) Decrease in temperature (C) Decrease in kinetic energy (D) Energy spent in doing work

Last Answer : (D) Energy spent in doing work

Which of the following statement is wrong? (A) A flow whose streamline is represented by a curve is called two dimensional flow. (B) The total energy of a liquid particle is the sum of potential energy, kinetic energy and pressure energy. (C) The length of divergent portion in a Venturimeter is equal to the convergent portion. (D) A pitot tube is used to measure the velocity of flow at the required point in a pipe.

Description : Which of the following statement is wrong? (A) A flow whose streamline is represented by a curve is called two dimensional flow. (B) The total energy of a liquid particle is the sum of potential energy, ... (D) A pitot tube is used to measure the velocity of flow at the required point in a pipe.

Last Answer : Answer: Option C

The molecules of a gas moving through space with some velocity possesses what kind of energy?  A. Translational energy  B. Spin energy  C. Rotational kinetic energy  D. Sensible energy

Description : The molecules of a gas moving through space with some velocity possesses what kind of energy?  A. Translational energy  B. Spin energy  C. Rotational kinetic energy  D. Sensible energy

Last Answer : Translational energy

If two different gases have the same volume, temperature, and pressure and behave like ideal gases, they will also be identical in which one of the following ways? w) average molecular velocity x) total mass y) total molecular kinetic energy z) average momentum per molecule

Description : If two different gases have the same volume, temperature, and pressure and behave like ideal gases, they will also be identical in which one of the following ways? w) average molecular velocity x) total mass y) total molecular kinetic energy z) average momentum per molecule

Last Answer : ANSWER: Y -- TOTAL MOLECULAR KINETIC ENERGY

In any collision, which of the following is conserved: w) kinetic energy x) velocity y) momentum z) potential energy

Description : In any collision, which of the following is conserved: w) kinetic energy x) velocity y) momentum z) potential energy

Last Answer : ANSWER: Y -- MOMENTUM