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a an astronaut of mass 73 kg pushes off a satellite of mass 420 kg exerting a force of 120 n for the 082 s they are in
a projectile is launched from the ground with an initial speed of 30 ms at an angle of 40 degrees with respect to the
a 3 kg flowerpot drops from a tall building the initial speed of the pot is zero and you may neglect air resistancea
sand from a stationary hopper falls onto a moving conveyor belt at the rate of dmdt 5 kgs as shown the conveyor belt
when a trains velocity is 120 ms eastward raindrops that are falling vertically with respect to the earth make traces
in an action-adventure film the hero is supposed to throw a grenade from his car which is going 940 kmh to his enemys
a carnot engine operating between a warmer unknown temperature and a reservoir of boiling helium at 176 k has an
a canoe has a velocity of 054 ms southeast relative to the earth the canoe is on a river that is flowing 058 ms east
a car comes to a bridge during a storm and finds the bridge washed out the driver must get to the other side so he
a man stands on the roof of a building of height 166 m and throws a rock with a velocity of magnitude 256 ms at an
a dog running in an open field has components of velocity vx 30 ms and vy -12 ms at time t1 114 s for the time
kevin has a mass of 812-kg and is skating with in-line skates he sees his 154-kg younger brother up ahead standing on
a person pushes on a stationary 125 n box with 64 n at 30 deg below the horizontal as shown in the figure the
two stunt drivers drive directly toward each other at time t0 the two cars are a distance d apart car 1 is at rest and
a sled starts from rest at the top of a hill and slides down with a constant acceleration at some later time it is 144
a bowling ball which can be treated as a solid sphere with a diameter of 216 cm and a weight of 33 kg rolls down a
you have been called to testify as an expert witness in a trial involving an automobile accident the speed limit on the
a satellite moves in a circular orbit around earth at a speed of 4251 msa determine the satellites altitude above the
a 750 n box moves at a constant velocity on a floor with a coefficient of static friction 0800 and coefficient of
a box that weighs 300 n is pulled across a level surface with a constant velocity the rope makes an angle of 300
a sled weighs 100 kg it is held in place on a frictionless 200-degree slope by a rope attached to a stake at the top of
five children are pushing on a snowball each is pushing with a force of 100 n each is pushing at an angle of 45deg
a catcher catches a 145 g baseball traveling horizontally at 380 msa how large an impulse does the ball give to the
a bat strikes a 0145 kg baseball just before impact the ball is traveling horizontally to the right at 500 ms and it
on an air track a 400g glider moving to the right at200 ms collides elastically with a 500g glider moving in