A child pushes a 75 N toy car across the floor. What is the mass of the car?

A long, straight solenoid has 800 turns. when the current in the solenoid is 2.90 a, the average flux through each turn of the solenoid is 3.25 * 10-3 wb.

Which of the following statements describe the transfer to energy? 1. Collisions of atoms causing nuclear reactions 2. A car speeding up from 5 mi/hr to 40 mi/hr 3. A transformer stepping down the voltage of electricity in power lines 4.

If you double the velocity of an object, you increase its kinetic energy by a factor of what?

A student performing a double-slit experiment is using a green laser with a wavelength of 590 nm. She is confused when the m = 5 maximum does not appear. She had predicted that this bright fringe would be 1.

B. Explain why it is more difficult to move an object at rest, than to keep an object moving with uniform motion.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?

Explain the process of synaptic transmission, beginning with the neurotransmitters at the axon terminal of the presynaptic cell and ending with the impulse being sent down the postsynaptic cell.

Which of the following is a false statement about dispersion forces? View Available Hint (s) Which of the following is a false statement about dispersion forces?

Which choice defines AC and DC correctly? In AC, electrons moving in one direction. In DC, they move in one direction and then in the other direction. In DC, electrons move in only one direction.

Why a c is advantageable than dc