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A 722 kg car stopped at an intersection is rear-ended by a1620 kg truck moving w/ a speed of 14.5 m/s. The 2 vehiclesundergo a completely inelastic collision. What is the speed of the wreck immediately after the collision?
Assume that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision.
In one day, a 81-kg mountain climber ascends from the 1410-m level on a vertical cliff to the top at 2208 m. The next day, she descends from the top to the base of the cliff, which is at an elevation of 1215 m.
Gas in a container is at a pressure of 2.4 atm and a volume of 3.8m3. what is the work done on the gas if it expands at constant pressure to twice its initial volume?
If the height of the candies in the container increases at the rate of 0.26 cm/s, at what rate (kilograms per minute) does the mass of the candies in the container increase?
A 0.2kg toy car rolls down ramp. If the car started from rest at a height of 0.30m, At what speed do the two cars move after the collision
It is desired to project an image of an object four times actual size with a lens of focal length 20 cm. What object distance should be used
A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 12 rpm in 9.5 s. What force is required at the edge
You are standing at the rear end of a raft that is 6.0 m long. The raft has a uniform mass of 120 kg and is at rest on a lake. how far are you from the end of the pier
When connected to a 10 volt battery, a capacitor stores 5 *10^-4 J of energy. How much energy would this capacitor store when connected to a 20 volt battery
Two sources emit waves that are in phase with each other. What is the largest wavelength that will give constructive interference at an observation point 161 m from one source
q1. illustrate how the device equipped with an ultrasonic speaker a microphone and a precision timer might be used to
A package of mass m is released from rest at a warehouse loading dock and slides down a 3.0-m-highfrictionless chute to a waiting truck. To what height does the package of mass m rebound
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