A projectile reaches maximum range, when angle of projection is at?

A projectile reaches maximum range,
when angle of projection is at?
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1 Answer

Answer :

450
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The direction of projection for the range of a projectile to be maximum on an inclined plane having angle of inclination 30? to the horizontal, whould be a.45? with horizontal b.30? with vertical c.30? with horizontal d.60? with inclined plane e.45? with inclined plane

Description : The direction of projection for the range of a projectile to be maximum on an inclined plane having angle of inclination 30? to the horizontal, whould be a.45? with horizontal b.30? with vertical c.30? with horizontal d.60? with inclined plane e.45? with inclined plane

Last Answer : b. 30? with vertical

For the maximum range of a projectile the angle of projection should be a.90? b.30? c.22 d.45? e.15?

Description : For the maximum range of a projectile the angle of projection should be a.90? b.30? c.22 d.45? e.15?

Last Answer : d. 45?

If the horizontal range of a projectile is four times its maximum height, the angle of projection is

Description : If the horizontal range of a projectile is four times its maximum height, the angle of projection is 

Last Answer : 45°

When horizontal range of a projectile equal to the distance through which projectile will rise, then the angle of projection of the particle will be equal to a.36? b.24? c.48? d.107 dynes e.76?

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Last Answer : e. 76?

Projectile will attain its maximum range, if it is fired at an angle of A. 30° B. 47° C. 90° D. 45°

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Last Answer : 45°

A projectile is fired at an angle to the vertical. Its horizontal range will be maximum when is (A) 0° (B) 30° (C) 45° (D) 60°

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A ball thrown by one player reaches the other in 2 seconds. The maximum height attained by the ball above the point of projection will be :- `(g = 10

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A projectile is thrown at an angle of 30° to the horizontal. What should be the range of initial velocity (u)

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A projectile is fired into the air at an angle of 23 degrees. At what other angle would this projectile have the same range if air resistance is neglected? w) 46 degrees x) 60 degrees y) 67 degrees z) 68 degrees

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The angle of projection when the range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection will be a.30? b.45? c.15? d.90? e.22

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A stone thrown at an angle `theta` to the horizontal reaches a maximum height h. The time of flight of the stone is :-

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Which one of the following activities is not correct as applicable to brick corbels? (A) The maximum projection of the corbel should not be more than the thickness of the wall (B) The maximum projection of each corbel course should be limited to a quarter brick at a time (C) The discontinuous corbels are used to carry heavy concentrated loads (D) Stretcher bond is generally used for the construction of brick corbel

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Last Answer : Answer: Option D

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Last Answer : Parabola

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Last Answer : Trajectory

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Description : What is a Projectile?

Last Answer : Projectile kinematics is a branch of mechanics that deals with the motion of objects that are projected into the air, such as a ball thrown by a baseball pitcher, a bullet fired from a ... the air. Projectile kinematics is widely used in physics, engineering, sports, and military applications.

How is the Caliber of a projectile measured?

Description : How is the Caliber of a projectile measured?

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A projectile is shot straight up with vo = 40 m/s. After how many seconds will it return if drag is neglected? a.6 b.107 dynes c.4 d.10 e.8

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Which of the following is not a projectile? a.Bullet coming out of a revolver b.Arrow released from a bow c.Lifting of a balloon d.Throwing a cricket ball from one player to another e.None of the above

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Which of the following is an example of a projectile? a.Launching of a satellite b.Taking off of an aircraft c.Lifting of a balloon d.Throwing of a cricket ball by a player e.None of the above

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Last Answer : d. Throwing of a cricket ball by a player

Show that the path of a projectile is a parabola.

Description : Show that the path of a projectile is a parabola.

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What is the only reguriment for an object to be in projectile motion?

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Last Answer : Feel Free to Answer

When a pitcher tosses a baseball to the catcher across the home plates what is the projectile?

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How does air resistance affect the components of projectile motion?

Description : How does air resistance affect the components of projectile motion?

Last Answer : Feel Free to Answer

How does the unbalanced force of gravity affect the horizontal and vertical velocity of an object in projectile?

Description : How does the unbalanced force of gravity affect the horizontal and vertical velocity of an object in projectile?

Last Answer : In the absence of air resistance, the force of gravity has noeffect on the horizontalcomponent of a projectile's velocity, and causes the verticalcomponent of its velocityto increase by 9.8 meters (32.2 feet) per second downward forevery second of its flight.

When a pitcher tosses a baseball to the catcher across the home plates what is the projectile?

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Last Answer : Baseball

What do vertical component of the projectile motion of an object depend on?

Description : What do vertical component of the projectile motion of an object depend on?

Last Answer : Both of these

Which are examples of projectile motion ?

Description : Which are examples of projectile motion ?

Last Answer : A javelin flying trough the air.A tennis ball lobbed over the net.

Two dimensional motion is not always projectile motion . in two -dimensional motion that is not projectile motion , ____ is not accelerating the objective?

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Last Answer : Gravity

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 : (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.

What are the two kinds of Rotatory motion? (1) Spin and Vibrational motion (2) Spin and Orbital motion (3) Spin and Translatory motion (4) Spin and Projectile motion

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Last Answer : (2) Spin and Orbital motion Explanation: The motion of an object is said to be rotatory if the particles of the object rotate in a circular path with respect to an imaginary axis, known as the axis of rotation.

What are the two kinds of Rotatory motion? (1) Spin and Vibrational motion (2) Spin and Orbital motion (3) Spin and Translatory motion (4) Spin and Projectile motion

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A player making a long jump is an example of ______. (1) Projectile motion (2) Rotatory motion (3) Spinning motion (4) Horizontal motion

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Last Answer : (1) Projectile motion Explanation: Projectile motion is a form of motion in which an object or particle is thrown near the earth's surface and it moves along a curved path under the action of gravity only.

When ball having a projectile motion is rising up, it A. decelerates B. accelerates C. rises up with constant acceleration D. acceleration becomes zero

Description : When ball having a projectile motion is rising up, it A. decelerates B. accelerates C. rises up with constant acceleration D. acceleration becomes zero

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The resultant motion of two Simple Harmonic Motions will be A. Simple Harmonic MotionB. Periodic Motion C. Projectile Motion D. Zero

Description : The resultant motion of two Simple Harmonic Motions will be A. Simple Harmonic MotionB. Periodic Motion C. Projectile Motion D. Zero

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Later signs of increased intracranial pressure (ICP) later include which of the following? a) Projectile vomiting Projectile vomiting may occur with increased pressure on the reflex center in the medulla.

Description : Later signs of increased intracranial pressure (ICP) later include which of the following? a) Projectile vomiting Projectile vomiting may occur with increased pressure on the reflex center in the ... , the pulse pressure (the difference between the systolic and the diastolic pressure) widens.

Last Answer : a) Projectile vomiting Projectile vomiting may occur with increased pressure on the reflex center in the medulla.

Froude number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls (D) All of the above

Description : Froude number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion ... gravity forces, and wave making effect, as with ship's hulls (D) All of the above

Last Answer : Answer: Option C

Reynolds number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls (D) All of the above

Description : Reynolds number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion ... gravity forces, and wave making effect, as with ship's hulls (D) All of the above

Last Answer : Answer: Option B

After a projectile is fired horizontally near the earth's surface, the horizontal component of its velocity, neglecting any air resistance: w) increases steadily x) decreases steadily y) first decreases, then increases z) remains constant

Description : After a projectile is fired horizontally near the earth's surface, the horizontal component of its velocity, neglecting any air resistance: w) increases steadily x) decreases steadily y) first decreases, then increases z) remains constant

Last Answer : ANSWER: Z -- REMAINS CONSTANT 

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

An engineer is asked to design a playground slide such that the speed a child reaches at the bottom does not exceed 4.0 m/s. Determine the maximum height that the slide can be.?Given, g = 9.8 m/s2. -Physics 9th

Description : An engineer is asked to design a playground slide such that the speed a child reaches at the bottom does not exceed 4.0 m/s. Determine the maximum height that the slide can be.?Given, g = 9.8 m/s2. -Physics 9th

Last Answer : Entire PE is converted to KE when the child reaches bottom So KE = PE 12mv2=mgH12mv2=mgH or H=v22g=162×9.8=.816mH=v22g=162×9.8=.816m

At what temperature does water reaches its maximum density?

Description : At what temperature does water reaches its maximum density?

Last Answer : 4 degrees Celsius

The rate of most enzyme catalysed reactions changes with pH. As the pH increases, this rate (A) reaches a minimum, then increases (B) reaches a maximum, then decreases (C) increases (D) decreases

Description : The rate of most enzyme catalysed reactions changes with pH. As the pH increases, this rate (A) reaches a minimum, then increases (B) reaches a maximum, then decreases (C) increases (D) decreases

Last Answer : Answer : B

When does the sun reaches its maximum angular distance from the equator?

Description : When does the sun reaches its maximum angular distance from the equator?

Last Answer : At the solstice

Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum Principal stress theory (d) None

Description : Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum Principal stress theory (d) None

Last Answer : (c) Thirdly Maximum Principal stress theory

Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum shear stress theory (d) None

Description : Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum shear stress theory (d) None

Last Answer : (d) None

True statements about visual adaptation include: a. light adaptation takes longer than dark adaptation b. dark adaptation reaches its maximum in about 20 minutes c. in dark adapted eye, a higher intensity of light is required to stimulate cones than rodsd. people who wear red goggles in the light adapt quicker in the dark than those who do not wear them

Description : True statements about visual adaptation include: a. light adaptation takes longer than dark adaptation b. dark adaptation reaches its maximum in about 20 minutes c. in dark adapted eye, a higher intensity ... wear red goggles in the light adapt quicker in the dark than those who do not wear them

Last Answer : in dark adapted eye, a higher intensity of light is required to stimulate cones than rods

When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that (A) The head of the load reaches the section (B) The tail of the load reaches the section (C) The load position should be such that the section divides it equally on both sides (D) The load position should be such that the section divides the load in the same ratio as it divides the span

Description : When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that (A) The head of the load ... position should be such that the section divides the load in the same ratio as it divides the span

Last Answer : (D) The load position should be such that the section divides the load in the same ratio as it divides the span

The section in which concrete is not fully stressed to its permissible value when stress in steel reaches its maximum value is (a) Under-reinforced section (b) Over-reinforced section (c) Critical section (d) Balanced section

Description : The section in which concrete is not fully stressed to its permissible value when stress in steel reaches its maximum value is (a) Under-reinforced section (b) Over-reinforced section (c) Critical section (d) Balanced section

Last Answer : (a) Under-reinforced section

A girl throws a 2 kilogram rock vertically upward. It reaches a maximum height of 5 meters. What is the kinetic energy of the rock the instant it leaves the girl's hand?

Description : A girl throws a 2 kilogram rock vertically upward. It reaches a maximum height of 5 meters. What is the kinetic energy of the rock the instant it leaves the girl's hand?

Last Answer : ANSWER: 100 JOULES (accept 98 joules)