Physics, 06.09.2019 16:20, BrownBenjamin2807
A0.0400-g positive charged ball with charge q = 6.40 μc is resting on a flat, frictionless horizontal surface. for a time of t = 0.0420 s a constant electric field of magnitude e = 7.80 × 102 n/c is directed vertical to the ball which makes the ball rise to a height of d. after this time the electric field is turned off and the ball returns to the surface. find the height in meters which the ball is able to be lifted off the surface.
Answers: 2
Physics, 22.06.2019 11:10, alexisbarry7495
An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
Answers: 3
Physics, 22.06.2019 17:10, katelynzaro
It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .
Answers: 1
A0.0400-g positive charged ball with charge q = 6.40 μc is resting on a flat, frictionless horizonta...
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