Home
Class 11
PHYSICS
A boy weighing 50 kg finished long jump ...

A boy weighing `50 kg` finished long jump at a distance of `8 m`. Considering that he moved along a parabolic path and his angle of jumps was `45^(@)`, his initial `KE` will be `g = 9.8 m//s^(2)`

Promotional Banner

Similar Questions

Explore conceptually related problems

A load of 100 kg is pulled upwards by 5 m. Calculate the work done. [g = 9.8 m//s^(2)]

A load of 100 kg is pulled up by 5 m. Calculate the work done. ( g = 9.8 m//s^(2) )

A boy of mass 50 kg runs up to a stair case of 45 steps in 9 s. If the height of a 15 cm, find his power.

A grasshopper finds that he can jump a maximum horizontal distance of 0.8m. With what speed can be travel along the road if he spends a negligible time on the ground?

A boy weighing 50 kg climbs up a vertical height of 100 m. Calculate the amount of work done by him. How much potential energy does he gain ? ( g = 9.8 m//s^(2) ).

A man weighing 50kg f supports a body of 25 kg f on his head. What is the work done when he moves a distance of 20 m up an incline of 1 in 10? Take g=9.8ms^(-2) .

A man of mass 50 kg climbs up a Indder of height 10 m. Calculate : (i) the work done by the man and (ii) the increase in his potential energy (g = 9.8 m s^(2) )

A stone of mass 2kg whirled in a horizontal circle attached at the end of 1.5 m long string. If the string makes an angle of 30 ^@ with vertical, compute its period ( g = 9.8 m//s ^ 2 ) .

A block of mass 50 kg slides over a horizontal distance of 1m. If the coefficient of friction between their surface is 0.2, then work done against friction is (take g = 9.8 m//s^(2) ) :