A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand
A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand.The staircase has 20 steps…
7 years ago
Work Energy and Power
A spring of spring constant 5 x 10³ Nm⁻¹ is streched intially by 5 cm from
A spring of spring constant 5 x 10³ Nm⁻¹ is streched intially by 5 cm from the unstreched position.Then, the…
7 years ago
When a bullet of mass 10 g and speed 100 ms⁻¹ penetrates up to distance 1 cm
When a bullet of mass 10 g and speed 100 ms⁻¹ penetrates up to distance 1cm in a human body…
7 years ago
The power supplied by a force acting on a particle moving in a straight line
The power supplied by a force acting on a particle moving in a straight line is constant.The velocity of the…
7 years ago
A bullet of mass m moving with velocity v strikes a block of mass M at rests
A bullet of mass m moving with velocity v strikes a block of mass M at rests and gets embedded…
7 years ago
A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined at θ=…
7 years ago
A bicyclist comes to a skidding stop in 10 m.During this process, the force
A bicyclist comes to a skidding stop in 10 m.During this process, the force on the bicycle due to the…
7 years ago
A body of mass m is accelerated uniformly from rest to a speed v in a time T
A body of mass m is accelerated uniformly from rest to a speed v in a time T.The instantaneous power…
7 years ago
A body of mass 0.5 kg travels in a straight line with velocity v=a x³/², where
A body of mass 0.5 kg travels in a straight line with velocity v=a x³/², where a= 5m⁻¹/² s⁻¹.The work…
7 years ago
A block of mass m moving at a velocity v collides with another block of mass 2m
A block of mass m moving at a velocity v collides with another block of mass 2m at rest.The lighter…
7 years ago