A long jumper leaves the ground with an initial velocity of 12 m/s at an angle of 28-degrees above the horizontal. Determine the time of flight, the horizontal distance, and the peak height of the long-jumper.

A published hypothesis: O is accepted by the scientific community Oshould be tested by the scientific community does not need to be tested Obecomes a scientific law ?

Which best describes the steps involved in the operation of an electric generator?

In an atom where are the electrons with less energy most likely located?

A generator can be powered by falling water. True False

An electron has an negative charge. What is true about the charge of a particle that is attracted to an electron

Consider four objects: A, B, C, and D. If A is negatively charged and B and C attract A but repel each other, what is the charge on B and C? A. Both B and C are positively charged. B. Both B and C are negatively charged. C.

36 kilo-joules to joules?

5 things that will speed up a reaction

Which phase of matter do scientists ignore the forces of attraction between particles? a. solid b. liquid c. gas

A radio-controlled car increases its kinetic energy from 4 j to 12 j over a distance of 2 m. what was the average net force on the car during this interval?