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A spring is kept compressed by pressing its ends together lightly. It is then placed in a strong acid, and released. What happens to its stored potential

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A body is moving along Z – axis of a co – ordinate system is subjected to a constant force F is given by `hati,hatj,hatk` `vecF=-hati+2hatj+3hatk` `N,`Where `hati,hatj,hatk` are unit vector along the x, y and z – axis of the system respectively what is the work done by this force in moving the body a distance of 4m along the Z –

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A ball is dropped from the height `h_1` and if rebounces to a height `h_2`. Find the value of coefficient of

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State and prove work energy theorem

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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An object of mass 0.4kg moving with a velocity of 4m/s collides with another object of mass 0.6kg moving in same direction with a velocity of 2m/s. If the collision is perfectly inelastic, what is the loss of K.E. due to

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Prove that in an elastic collision in one dimension the relative velocity of approach before impact is equal to the relative velocity of separation after

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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(a) Define potential energy. Give examples.(b) Draw a graph showing variation of potential energy, kinetic energy and thetotal energy of a body freely falling on earth from a height

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A prism is a polyhedron whose lateral faces

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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A pyramid is a polyhedron whose lateral faces

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In a regular polyhedron ______ number of faces meet at each

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A pentagonal prism has ______

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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A sphere is a

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In a prism the lateral faces need not be

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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Draw the top, front and side views of the given solid.

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Use isometric dot paper to sketch a rectangular prism with length 4 units, height 2 units and width 3

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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Identify the shape whose net is given below.

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The solid given below is a rectangular prism or cuboid. Make all the diagonals of this

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Count the number of cubes in the given shapes. (i) (ii)

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Name the following polyhedrons and verify the Euler’s formula for each of them.(a) (b)

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A polyhedron has 7 faces and 10 vertices. How many edges does the polyhedron

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