You are riding in a bumper car. you and your bumper car have a combined mass of 370 kg and are moving at a rate of 2 m/s when you crash into a stalled bumper car that holds your mom and dad and has a combined mass of 470 kg. after the collision your bumper car stops, what is the speed of your parents' bumper car after the collision?
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Physics, 21.06.2019 18:00
Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?
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Physics, 21.06.2019 20:30
When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m
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Physics, 21.06.2019 22:00
Why do electron microscopes have higher resolving power than light microscopes?
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You are riding in a bumper car. you and your bumper car have a combined mass of 370 kg and are movin...
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