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- How far apart are a proton and electron if they exert an attractive force of 3 N on one another?dll elaser is rubbed across a sheet of paper? A table exerts an upward force of 4.5 N to a bag of apples lying on it. What force does the bag of apples exert on the table? O a downward force of 45 N O a downward force of 0.0 N O a downward force of 1.5 N O a downward force of 4.5 N V OK The diagram below represents a balloon that is moving in one direction while escaping air is moving in the opposite direction. balloon to move? Balloon Air An astronaut on the surface of the moon drops a feather and a hammer from the same distance at the same time. The feathe fall at the same speed and land on the surface of the moon at the same time. Which statement best describes why this occurs: DELL OI altHow far apart are two electrons if they exert a force of 3.0 N on one another?
- An atomic nucleus contains positively charged protons and uncharged neutrons. Since nuclei do stay together, what must we conclude about the forces between these nuclear particles?FIND the Net FORCE ON I4 I, 3-dd- ٤-مم بو 2 td-+- d 3-α0 3 Hm d 3-00 FUT 4 WIRE 2. GIVEN: I₁ = 20.0A 4- I₂2₂ = 10.0 A 5.00 A Iza 8.00 A Iy= d= L = 10.0cm 10.0mThe force holding a proton near an electron is equal to 10 N. How close together are they?
- Why can’t we use the SI unit N (Newtons) for electromotive force?Explain why knowledge of E(x, y, z) is not sufficient to determine V(x,y,z). What about the other way around?When considering the relationship between the force of attraction between two charged particles and the distance separating the two particles, the best description would be that the attractive force and the distance separating the particles
- Two point charges attract each other with an electric force of magnitude F. If one charge is reduced to one third its original value and the distance between the charges is doubled, what is the resulting magnitude of the electric force between themAt some automobile toll booths, a thin metal wire protrudes from the road, making contact with cars before they reach the toll collector. What is the purpose of this wire?Give three application of static electricity and explain each in 2-3 sentences only.