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a tennis player receives a shot with the ball 0060 0 kg traveling horizontally at 500 ms and returns the shot with the
an explosion breaks an object into two pieces one of which has 15 times the mass of the other if 7500 j were released
one force acting on a machine part is f - 500 n i hat 400 n j hat the vector from the origin to the point where the
a tennis ball of mass m 0070 kg and speed v 25 ms strikes a wall at a 45deg angle and rebounds with the same speed at
a rocket of total mass 3180 kg is traveling in outer space with a velocity of 115 ms toward the sun it wishes to alter
a car traveling at 70 ms accelerates at the rate of 080 ms2 for 20 s what is the final velocity of the
an ion enters a mass spectrometer which has a 018 t field perpendicular to an electric field of 16 kvm and selects a
a simple pendulum is made from a 055-m-long string and a small ball attached to its free end the ball is pulled to one
a frictionless ramp is constructed so that it is at a 30 degree angle to the horizontal it is 18 meters long and 09
a 204 dog is running northward at 285 while a 533 cat is running eastward at 367 their 775 owner has the same
a 0145 kg baseball pitched at 450 ms is hit on a horizontal line drive straight back toward the pitcher at 520 ms if
a spring is compressed by 00612 m and is used to launch an object horizontally with a speed of 164 ms if the object
a model rocket is constructed with a motor that can provide a total impulse of 290 nmiddots the mass of the rocket is
a car enters a freeway with a speed of 65 ms and accelerates to a speed of 24 ms in 35 minutes how far does the car
a marble has mass 9kg it is released from height3m down a ramp into a loop-the-loop of radius1 at the top of the
a car traveling initially at 70 ms accelerates to velocity 120 ms in 20 s what is the average acceleration of the
a loop of area 0100 m2 is rotating at 3600 rpm revolutions per minute with an axis of rotation perpendicular to a 020 t
you and your friend each drive 500 km you travel at 900 kmh your friend travels at 95kmh how long will your friend be
a 252g bullet moving at 290 ms enters and stops in an initially stationary 250 kg wooden block on a horizontal
a bicycle with a mass of 20 kg drives over a semi-circular of radius 182 meters if the bicycle is moving at 94 ms at
a yo-yo with a mass of 5 kg is attached to a rope and is swung at constant speed around a vertical circle if the yo-yo
the drawing shows a bicycle wheel resting against a small step whose height is h 0108 m the weight and radius of the
a 20kg ball and a 45kg ball each moving at 090ms undergo a head-on collision the lighter ball rebounds opposite its
two 720- hockey players skating at 700 collide and stick together if the angle between their initial directions was 135
two groups of canoeists meet in the middle of a lake after a brief visit a person in canoe 1 pushes on canoe 2 to