an object of mass 10 kg is dropped from height of 5m. fill in the blanks by computing the potential energy and kinetic energy
Answers
Explanation:
An object of mass 40 kg is raised to a height of 5 m above the ground. What is its potential energy ? If the object is allowed to fall, find its kinetic energy when it is half - way down.
More Related Question & Answers
Calculate (i) kinetic energy (ii) potential energy and (iii) total energy of a satellite of mass 200 kg orbiting around the earth in an orbit of height 100 km from the surface of earth. Given, mass of earth = 10^(25) kg,radius of earth = 6.4 xx 10^(6) m, G = 6.67 xx 10^(-11) Nm^(2) kg^(-2).
play
A bomb of mass 40 kg is dropped from an aeroplane at a height of 1 km above the ground. What is its kinetic energy (i) at the end of 10 s and (ii) on reaching the ground ?
play
A body of kg mass was thrown upwards from the earth floor at an initial speed of 10 m / s. Calculate: (i) the initial kinetic energy of the body, (ii) the potential energy of the body when it reaches the maximum height, (iii) The kinetic energy of the body at a height of meters from the ground level (g = 10" मीटर / सेकण्ड"^(2) )
play
A ball of mass m is dropped from a cliff of height H. The ratio of its kinetic energy to the potential energy when it is fallen through a height 3/4 H is
play
An object of 1kg mass has a momentum of 10 kg m / sec then the kinetic energy of the object will be
play
Find the energy possessed by an object of mass 10 kg when it is at a height of 6 m above the ground.Given, g = 9.8 m//s ^2
play
A body of 4.0 kg is thrown vertically upwards at an initial velocity of 30 m / s from the ground level. value of g 10"मीटर/सेकण्ड"^(2) Assume that: (i) the initial kinetic energy of the body, (ii) After 1 second the potential energy and kinetic energy of the body, (iii) Potential energy of the body at attaining maximum height.
play
An artificial satellite of mass 200 kg is orbiting the Earth in an average radius of 6670 km. Calculate the satellite's orbital kinetic energy, gravitational potential energy and the total energy in the orbit. (Mass of Earth = 6.0 xx 10 ^( 24) Kg, gravitational constant = 6.67 xx 10 ^(-11) Newton - Meter ""^(2 ) / Kg ""^(2 ) )
play
If momentum of an object is increased by 10%, then is kinetic energy will increase by
play
As an electron makes a transition from an excited state to the ground state of a hydrogen like atom/ion (a) kinetic energy, potential energy and total energy decrease (b) kinetic energy decreases, potential energy increases but total energy remains same (c ) kinetic energy and total energy decrease but potential energy increases (d) its kinetic energy increases but potential energy and total energy decrease
play
An object A of mass 1 kg is projected vertically upward with a speed of 20 m//s. At the same moment another object B of mass 3 kg, which in intially above the object A, is dropped from a height h = 20 m. The two point like objects (A and B) collision and stick to each other. The kinetic energy is K (in J) of the combined mass after collision, find the value of K//25.
play
What do you mean by kinetic energy ? Derive an expression for the kinetic energy of an object of mass m moving with velocity, upsilon.
play
The dimensions of potential energy of an object in mass, length and time are respectively
play
An object of 2 kg is placed on a table 0.05 m high. What is its potential energy? Write the formula for the relation between momentum and kinetic energy. (g = 10" मीटर/सेकण्ड"^(2))
play
POTENTIAL ENERGY OF OBJECT AT SOME HEIGHT
play
A brick weighing 4.0 kg is dropped into a 1.0m deep river from a height of 2.0m Assuming that 80% of the gravitational potential energy is finally converted into thermal energy, find this thermal energy in calorie.
play
A ball at rest is dropped from a height of 12m. It loses 25% of its kinetic energy in striking the ground, find the height to which it bounces. How do you account for the loss in kinetic energy ?
play
Disclaimer
The questions posted on the site are solely user generated, Doubtnut has no ownership or control over the nature and content of those questions. Doubtnut is not responsible for any discrepancies concerning the duplicity of content over those questions.
Similar Questions Asked By Users
An object of mass 5 kg is realised from height of 10 meter. Calculate its potential and kinetic ene...
An object of mass 5kg is dropped from a height of 5m .Find its kinetic energy.(g=10m/s square)
An object is dropped from h height. At what height will its kinetic energy be equal to its potentia...
An object of mass 5 kg is dropped from height of 10 m. Find its kinetic energy when it is half way ...
An object of mass 5 kg is dropped from a height of 10 m find its kinetic energy when it is half way...
An object of mass 5 kg is dropped from a height of 10 M find its kinetic energy when