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Imagine a truck with a mass of 23 metric tons (t) (1 t=1,000 kg) barrelling down a highway at a speed of 55 mi/h. What is the truck's momentum in kilograms? What is its kinetic energy in kilograms?
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Near the Earth's surface, a compact car of total mass M is driven on a large, revolving, horizontal, disk-shaped platform which itself rotates about its center at a fixed angular frequency ω. At t = 0, the driver leaves ...
An object moves with constant acceleration 4.45 m/s^2 and over a time interval reaches a final velocity of 10.0 m/s. If its original velocity is 5.00 m/s, what is its displacement during the time interval? What is the di ...
Question: A rock thrown with speed 10.5 and launch angle 30.0(above the horizontal) travels a horizontal distance of = 18.0before hitting the ground. From what height was the rock thrown? Use the value = 9.810 for the fr ...
Question: A stone is thrown vertically upward with a speed of 24.0m/s. a) how fast is it moving when it is at a height of 13.0m? I got 17.9 m/s b) How much time is required to reach this height? I got 4.28s and 6.20s c) ...
Question: A package of mass m is released from rest at a warehouse loading dock and slides down a 3.0 m-high frictionless chute to a waiting truck. Unfortunately, the truck driver went on a break without having removed t ...
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