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A 69.0 kg person throws a 0.0400 kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 59.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.20 m/s, and the second person is initially at rest. What are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice.
A 14.1-g bullet is accelerated from rest to a speed of 793 m/s in a rifle barrel of length 66.9 cm. (a) Find the kinetic energy of the bullet as it bullet as it leaves the barrel.
A construction company is trying to select a concrete brand for laying down a foundation. Which brand of concrete can withstand the higher stress level
The prong of a tuning fork moves back and forth when it is set into vibration. what are the maximum velocity and the maximum acceleration of the prong
A small boat is moving at a velocity of 3.35 m/s while it is accelerated by a river current perpendicular to the initial direction of motion. If current acceleration is 0.750 m/s^2, what will the new velocity of the boat be after 33.5 s.
questiona car travels all along a straight line at a constant speed of 48.5 mih for a distance d and then another
A superhero flies 272m from the top of a tall building at an angle of 32 below the horizontal. What is the vertical component of the superhero's displacement.
instructions read the problems carefully and answer all the questions in each problem. you are allowed to use three a4
If the gravitational potential energy of a 30.7-kg rock is 643 J relative to a value of zero on the ground, how high is the rock above the ground
A paperweight, when weighed in air, has a weight of W = 11.4 N. When completely immersed in water, however, it has a weight of Win water = 8.09 N
State the amplitude of the electric field vector in micro volts per meter to three significant figures.
A gyroscope slows from an initial rate of 32.0 rad/s at a rate of . How many revolutions does it make before stopping
a 15 kg hoop of radius 1 m is spinning at a rate of 4 rotations per second, What is the speed in rotations per minute
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