shows a ski -jump. A skier of mass 60 kg stands at A at the top of the ski-jump. He moves from A to B and takes off for his jump at B.
(a) Calculate the change in the gravitational potential energy of the skier between A and B.
(b) If 75 % of the energy in part (a) becomes the kinetic energy at B, calculate the speed at which the skier arrives at B.

Then diagram given below shows a ski jump.A skier weighing 60 kgf stands at A at top of ski jump.He moves from A and takes off for his jump at B. (a)Calculate the change in the gravitational potential energy of the skier between A and B. (b)If 75 % of the energy in part (a)becomes kinetic energy at B,calculate the speed at which the skier arrives at B. (Take g=10 m s^(-2) )

Use the figure below to fmd the following the skier's gravitational potential energy at point A.

What kind of energy does the skier have at the top of the slope?

Use the figure below to fmd the following the skier's gravitational potentiafenergy at point B.

A ski lift elevates a skier of total mass 70 kg a fertical displacement of 300 m.on ski slope. What is the gain in the skier·'s gravitational potential energy ?

The mass of a ball A is double the mass of another ball B. The ball a moves at half the speed of the ball. B. Calculate the ratio of the kinetic energy of A to the kinetic energy of B,

(a) Calculate the kinetic energy and potential energy of the electron in the first orbit of hydrogen atom. (b)Calculate the longest and shortest wavelength in the Balmer series of hydrogen atom.

Use the figure below to fmd the following the skier's kinetic energy at B.