Description : What will happen to the balls velocity as it falls farther below the point of relase?
Last Answer : Feel Free to Answer
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
Description : If an object is thrown up in the air how does its gravitational potential energy change?
Last Answer : The higher an object travels, the greater its potentialenergy.
Description : Two steel balls are at a distance S from one another. As the mass of ONE of the balls is doubled, the gravitational force of attraction between them is: w) quartered x) halved y) doubled z) quadrupled
Last Answer : ANSWER: Y -- DOUBLED
Description : What is the gravitational potential due to the Earth at a point which is at a height of 2RE above the surface of the Earth,
Last Answer : What is the gravitational potential due to the Earth at a point which is at a height of 2RE above the surface of ... and G = 6.67 10-11 Nm2 kg-2.
Description : The statement that the sum of the kinetic and potential energies of a particle in the earth's gravitational field is constant is known as a.Principle of conservation of mechanical energy b.Law of gravitation c.Newton's law d.Principle of conservation of momentum e.Law of nature
Last Answer : a. Principle of conservation of mechanical energy
Description : What are the energy transfers of the six simple machines for example an incline plane is gravitational potential energy to mechanical energy. I want to know what are the other fives and for levers I would like to know class one and class 2?
Last Answer : \Delta E\Delta t\geq
Description : At the top of the first hill the cart has the highest (Gravitational) Potential Energy?
Last Answer : Yes.
Description : What is the gravitational potential energy of a ceiling fan that has a mass of 7 kg and is 4 m above the ground?
Last Answer : Need answer
Description : What factors do the gravitational potential energy stored between an object and earth depends on?
Description : What are Examples of storing gravitational potential energy?
Description : What is the similarities between chemical potential energy and gravitational potential energy?
Description : Tides in the sea have stored in them : (1) Hydraulic energy (2) Kinetic energy (3) Gravitational potential energy (4) A combination of all the above three forms of energy
Last Answer : (3) Gravitational potential energy Explanation: Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation ... is channeled into a large basin behind the darn, holding a large amount of potential energy.
Description : The energy that stored in a system as a result of its position in the earth’s gravitational field a. elastic energy b. kinetic energy c. potential energy d. flow energy
Last Answer : potential energy
Description : The work is stored in an inductor in form of.......: a. Elastic potential energy b. Kinetic energy c. Potential energy d. Gravitational potential energy
Last Answer : b. Kinetic energy
Description : The gravitational potential energy between two bodies is inversely proportional to: w) the cube of the distance x) the first power of the distance y) the square of the distance z) it has no relation to distance
Last Answer : ANSWER: X -- THE FIRST POWER OF THE DISTANCE
Description : The gravitational potential energy of an object close to the ground varies: w) inversely as its distance from the ground x) directly as its distance from the ground y) inversely as the square of its distance from the ground z) directly as the square of its distance from the ground
Last Answer : ANSWER: X -- DIRECTLY AS ITS DISTANCE FROM THE GROUND
Last Answer : Gravitational potential energy
Description : An electron falls through a potential difference of `50,000 V`. What is the energy acquired by it?
Last Answer : An electron falls through a potential difference of `50,000 V`. What is the energy acquired by it?
Description : An electron falls through a potential differsence of `1000 V` and gives up `1.6 xx10^(-16) J` of energy. What is the charge on the electron?
Last Answer : An electron falls through a potential differsence of `1000 V` and gives up `1.6 xx10^(-16) J` of energy. What is the charge on the electron?
Description : When a body falls from an aeroplane, there is increase in its – (1) Kinetic energy (2) Mass (3) Acceleration (4) Potential energy
Last Answer : (3) Acceleration Explanation: The energy possessed by a body by virtue of its motion is called kinetic energy. Potential Energy is the energy possessed by virtue of its position or configuration. When a body falls from an aeroplane, there is increase in its acceleration.
Description : When a body falls from an aeroplane, there is increase in its (1) Kinetic energy (2) Mass (3) Acceleration (4) Potential energy
Last Answer : Acceleration
Description : What is gravitational potential ?
Last Answer : The ability of an object to work when it works against a gravitational ball is called gravitational potential.
Description : The gravitational potential due to the Earth is minimum at
Last Answer : The gravitational potential due to the Earth is minimum at (A) the centre of the Earth. (B) ... but not at its centre. (D) infinite distance.
Description : Gravitational potential has the dimensions of (a) M0L1T–2 (b) M0L2T–2 (c) M1L2T–2 (d) M1L1T–2
Last Answer : Ans:(b)
Description : Gravitational potential is always A. infinite B. zero C. positive D. negative
Last Answer : negative
Description : Gravitational potential is always A. positive B. negative C. zero D. infinity
Description : The potential difference of a cell in an open circuit is 6 V, which falls to 4 V when a current of 2 A is drawn from the cell. Calculate the emf and t
Last Answer : The potential difference of a cell in an open circuit is 6 V, which falls to 4 V when a ... Calculate the emf and the internal resistance of the cell.
Description : The potential difference across a cell is 1.8 V when a current of 0.5 A is drawn from it. The p.d. falls to 1.6 V when a current of 1.0 A is drawn. Fi
Last Answer : The potential difference across a cell is 1.8 V when a current of 0.5 A is drawn from it. ... . Find the emf and the internal resistance of the cell.
Description : A well collimated parallel pencil of cathode rays falls through a potential difference `3kV` & enters the spacing between two parallel metallic plates
Last Answer : A well collimated parallel pencil of cathode rays falls through a potential difference `3kV` & enters the ... Given the length of the plates is 10 cm.
Description : The resting membrane potential of a cell a. is dependent on the permeability of the cell membrane to K+ being greater than the permeability to Na+ b. falls to zero immediately when Na+ ... the equilibrium potential for Na+ e. is markedly altered if the extracellular Na+ concentration is increased
Last Answer : is dependent on the permeability of the cell membrane to K+ being greater than the permeability to Na+
Description : The total change in level along the line is equal to total back sights (A) Minus total fore sights (B) The total rises minus total falls (C) The reduced level of last point minus reduced level of the first point (D) All the above
Last Answer : (D) All the above
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
Description : When a liquid is at its boiling point, no temperature change takes place due to heating. The energy supplied due to heating (a) Is used up to increase the potential energy of the liquid molecules (b ... c) Is used up to increase the kinetic energy and potential energy of the molecules (d) Is wasted
Last Answer : Ans:(a)
Description : The point that lies directly above the source of an earthquake is known as -------- ? A. Earthquake Center B. Epicenter (Answer) C. Gravitational Center D. Geological Center
Last Answer : B. Epicenter (Answer)
Description : The center of pressure of a surface subjected to fluid pressure is the point (A) On the surface at which resultant pressure acts (B) On the surface at which gravitational force acts (C) At which all hydraulic forces meet (D) Similar to metacentre
Last Answer : Answer: Option A
Description : Is it safe to use old (10+ yrs.) cotton/cotton balls that were stored in bags? Does its chemical consistency change? Also, same for tp, paper towels, dinner napkins?
Last Answer : Unless you need a sterile surgical field, it is safe.
Description : How does the gravitational force between two objects change if the mass of one the objects is doubted?
Last Answer : If the mass of both of the objects is doubled, then the force of gravity between them is quadrupled; and so on. Since gravitational force is inversely proportional to the square ... distance between the two interacting objects, more separation distance will result in weaker gravitational forces.
Description : The cause for the Tsunami, as deduced by the seismologists, is – (1) Gravitational pull of the moon (2) Low pressure trough in the ocean (3) Deformation of sea floor and vertical displacement of water (4) Sudden change in the monsoon wind
Last Answer : (3) Deformation of sea floor and vertical displacement of water Explanation: Earthquakes, volcanic eruptions and other underwater explosions (including detonations of underwater nuclear devices), landslides, ... the sea, the water above the deformed area is displaced from its equilibrium position.
Description : The cause for the Tsunami, as deduced by the seismologists, is (1) gravitational pull of the moon (2) low pressure trough in the ocean (3) deformation of sea floor and vertical displacement of water (4) sudden change in the monsoon wind
Last Answer : deformation of sea floor and vertical displacement of water
Description : How can you tell that a ball's kinetic energy has increased?
Last Answer : Probably because it's moving faster.
Description : Does gravitational energy convert to heat?
Last Answer : Take this with a grain of salt, but wouldn’t the meteor not lose it’s gravitational potential energy until it’s converted to kinetic energy?
Description : The law of conservation of mechanical energy is valid a.Irrespective of the nature of force field b.Only in gravitational field c.Only if the total work done by the particle in moving around in a closed trajectory is zero d.Only if the force is tangential to the trajectory e.None of the above
Last Answer : c. Only if the total work done by the particle in moving around in a closed trajectory is zero
Description : The principle of conservation of energy cannot be applied in case of a.Flow of heat through a metal b.Ideal flow of water in a pipe c.Simple pendulum d.Sliding of a particle along inclined plane with friction e.A particle moving in gravitational field
Last Answer : e. A particle moving in gravitational field
Description : The principle of conservation of energy cannot be applied in case of a.Flow of water in a pipe b.A particle moving in gravitational field c.Frictional movement of a particle over a surface d.Frictionless movement of a principle over a surface e.Simple pendulum
Last Answer : c. Frictional movement of a particle over a surface
Description : A satellite in vacuum - (1) is kept in orbit by remote control (2) is kept in orbit by retro-rocket (3) derives energy from gravitational fielod (4) does not require any energy for orbiting
Last Answer : (4) does not require any energy for orbiting
Description : A pulsar is a rapidly spinning neutron star which emits: A. A blinding light when it aligns with the planets B. Radio waves detectable from Earth (Answer) C. A gravitational pull which attracts high energy dust particles D. Enough energy to power itself indefinitely
Last Answer : B. Radio waves detectable from Earth (Answer)
Description : What process produces most of the energy that is radiated by the Sun? w) gravitational contraction x) chemical combustion y) nuclear fusion z) nuclear fission
Last Answer : ANSWER: Y -- NUCLEAR FUSION
Description : A square sheet of paper ABCD is so folded that B falls on the mid-point M of CD. The crease will divide BC in the ratio -Maths 9th
Last Answer : answer: