What is the mass of a falling rock if it produces a force of 147 n?

F=

M=

A=

The source of the earth's magnetic field appears to be located at the center of the solar system. True or fALSE

Which of the following statements is true of classical physics? A. It is no longer applicable in solving physics problems. B. It is an approximation of quantum physics on larger scales. C.

Which term describes the energy per unit charge in a circuit? A. Resistance B. Current C. Voltage D. Power

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

Whats an equation for the volume of a cylinder

A Car is lifted a certain distance in a service station and therefore has potential energy relative to the floor. if it was lifted twice as high, how much potential energy would it have?

How long does it take a 750-w coffeepot to bring to a boil 0.75 l of water initially at 11°c? assume that the part of the pot which is heated with the water is made of 280 g of aluminum, and that no water boils away?

An electric motor rotating a workshop grinding wheel at a rate of 151 rev/min is switched off. Assume constant angular deceleration of magnitude 2.23 rad/s 2. Through how many revolutions does the wheel turn before it finally comes to rest

1. What is the atomic number of an atom? Why is this number important? |

The car travels down the road at 60mph for 1.5 hours. How far does it go?