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A 68.0-kg person throws a 0.0500-kg snowball forward with a ground speed of 27.0 m/s. A second person, with a mass of 56.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.30 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.
radial acceleration of the tip of the second hand of a clock is 0.0021 m/s^2 what is the length of the second hand
A racing car travels with a constant tangential speed of 75 m/s around a circular track with a radius 625 m. Find (a) the magnitude of the car's total acceleration and (b) the direction of its total acceleration relative to the radial direction.
A baseball batter swings the bat and applies a force of 36.38 N to the ball for a time of 0.31 s. what is the impulse on the ball
A skateboarder, starting from rest, rolls down a 13.1-m ramp. If the ramp is inclined at 26.5 ° with respect to the ground, what is the component of her acceleration that is parallel to the ground
Chef at the infamous Fattening Tower of Pizza tosses the spinning disk of uncooked pizza dough into the air. The disk's diameter increases during the flight, whereas its rotational speed.
A rope is used to pull a 4.56 kg block at constant speed 5.47 m along a horizontal floor. find the work done by the rope's force
Note down that since each oscillator is attached to two "springs", and each "spring" is half the length of the interatomic bond, the effective interatomic spring stiffness for one of these oscillators is times estimated value given above.
A square loop 15 cm on a side in the xy plane. Its resistance is 0.55 ohms. determine the direction of the induced current in the loop
A transistor to be used in a circuit is rated for a maximum current of 30 mA if operated at 9.0 V.c What is the maximum acceptable power to the transistor
A fire in an enclosure has reached flashover, & the gas temperature is assumed to be uniform at 1000oC. The enclosure has an opening 3 m wide & 2 m high. Find the position of the neutral layer, measured from the bottom of the opening.
A 0.060 kg handball is thrown straight toward a wall with the speed of 14 m/s. It rebounds straight backward at a speed of 6.5 m/s. If the ball is in contact with wall for 3.0 ms, what average force is exerted on the wall by the ball.
A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, What is the weight of the truck
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