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As part of a safety investigation, two 1900 kg cars traveling at 17 m/s are crashed into different barriers.
Part A. Find the average force exerted on the car that hits a line of water barrels and takes 1.3 s to stop.
Express your answer to two significant figures and include the appropriate units.
Part B. Find the average force exerted on the car that hits a concrete barrier and takes 0.20s to stop.
A point charge q = 1.45 nC is placed in the center of a spherical cavity of an isolated spherical conductor of inner radius 4 cm and outter radius 12cm
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Suppose Eq. describes a wave traveling down a gas-filled pipe. Let A = 5Pa; ? = 10cm.
A diverging lens (f = -11 cm) is located 20.0 cm to the left of a converging lens (f =34.0 cm). A 3.00-cm-tall object stands to the left of the diverging lens, accurately at its focal point. Decide the distance of the final image relative to the conv..
To simulate the extreme accelerations during launch, astronauts train in a large centrifuge, what should be its rotation period to produce a centripetal acceleration
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A freezer of resistance 14.5ohms is connected to a 110V source. What is the power delivered when this freezer is on
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