MTG NEET Physics
An engine pumps up 1 quintal of coal from a mine 100 m deep in 0.5s. If its efficiency is 60%. power of the engine? Take g=10 ms^2.
28
Oct
An engine pumps up 1 quintal of coal from a mine 100 m deep in 0.5s. If its efficiency is 60%. power of the engine? Take g=10 ms^2. An engine pumps up 1 quintal of coal from a mine 100 m deep in 0.5s. If its efficiency is 60%. power of the engine? Take g=10 [...]
A body of mass 2kg starts from rest and moves with uniform acceleration. It acquires a velocity 20ms^−1 in 4s. The power exerted on the body at 2s in watt is
28
Oct
A body of mass 2kg starts from rest and moves with uniform acceleration. It acquires a velocity 20ms^−1 in 4s. The power exerted on the body at 2s in watt is A body of mass 2kg starts from rest and moves with uniform acceleration. It acquires a velocity 20ms^−1 in 4s. The power exerted on [...]
A force of 7i+6k n makes a body move on a rough plane with a velocity of 3j+4k m/s. The power in watt is
28
Oct
A force of 7i+6k n makes a body move on a rough plane with a velocity of 3j+4k m/s. The power in watt is A force of 7i+6k n makes a body move on a rough plane with a velocity of 3j+4k m/s. The power in watt is October 28, 2020 Category: Chapter 6 - [...]
Two men with weights in the ratio 4:3 run up a staircase in time in the ratio 12:11. The ratio of power of the first to that of second is:
28
Oct
Two men with weights in the ratio 4:3 run up a staircase in time in the ratio 12:11. The ratio of power of the first to that of second is: Two men with weights in the ratio 4:3 run up a staircase in time in the ratio 12:11. The ratio of power of the first [...]
A motor drives a body along a straight line with a constant force. The power P developed by the motor must vary with time t as
28
Oct
A motor drives a body along a straight line with a constant force. The power P developed by the motor must vary with time t as A motor drives a body along a straight line with a constant force. The power P developed by the motor must vary with time t as October 28, 2020 [...]
A particle moves with a velocity v=5i-3j+6k m/s- under the influence of a constant force F=10i+10j+20k N .The instantaneous power applied to the particle is.
28
Oct
A particle moves with a velocity v=5i-3j+6k m/s- under the influence of a constant force F=10i+10j+20k N .The instantaneous power applied to the particle is. A particle moves with a velocity v=5i-3j+6k m/s- under the influence of a constant force F=10i+10j+20k N .The instantaneous power applied to the particle is. October 28, 2020 Category: Chapter [...]
A vehicle of mass M is moving on a rough horizontal road with a momentum P If the coefficient of friction between the tyres and the road be μ is then the stopping distance is .
28
Oct
A vehicle of mass M is moving on a rough horizontal road with a momentum P If the coefficient of friction between the tyres and the road be μ is then the stopping distance is . A vehicle of mass M is moving on a rough horizontal road with a momentum P If the coefficient [...]
A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass 16 g. If the trigger is pulled, the velocity of the ball is
28
Oct
A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass 16 g. If the trigger is pulled, the velocity of the ball is A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass 16 g. If the trigger is pulled the [...]
A particle is released from a height S. At certain height its kinetic energy is three times its potential energy. The height and speed of particle at that instant are respectively.
28
Oct
A particle is released from a height S. At certain height its kinetic energy is three times its potential energy. The height and speed of particle at that instant are respectively. A particle is released from a height S. At certain height its kinetic energy is three times its potential energy. The height and speed [...]
A ball of mass m is dropped from a height h on a platform fixed at the top of a vertical spring as shown in figure. The platform is depressed by a distance x. The spring constant is (Take acceleration due to gravity =g):
28
Oct
A ball of mass m is dropped from a height h on a platform fixed at the top of a vertical spring as shown in figure. The platform is depressed by a distance x. The spring constant is (Take acceleration due to gravity =g): A particle of mass 'm' at rest is acted upon by [...]