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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, 22.06.2019 16:00
While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank
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Physics, 22.06.2019 16:20
What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g
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Physics, 22.06.2019 18:00
Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u
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