An object has a mass of 0.250 kg. What is the gravitational force of on the object by the earth?

You will not know this. Really I didn't. What is the darkest known substance.

Which factors affect the speed of ocean waves?

Which statement is most likely true? A. Ernest Rutherford's experiment led to the nuclear model of the atom. B. Ernest Rutherford's experiment established the plum pudding model of the atom. C.

Two friends, Joe and Sam, go to the gym together to strength train. They decide to start off with an exercise called flat bench press.

Astronomical methods that have provided insights about universe

The kinetic molecular theory predicts that the pressure rises as the temperature of a gas increases because: a. the average kinetic energy of the gas molecules decreases. b. the gas molecules collide less frequently with the interior wall. c.

As you increase current, what happens to the strength of an electromagnet?

After the first two weeks of conception is called?

A 55-kg mountain climber, starting from rest, climbs a vertical distance of 701 m. At the top, she is again at rest. In the process, her body generates 4.5 * 106 J of energy via metabolic processes.

Which statement correctly identifies a difference between the function of most arteries and veins? A. The circulatory system moves blood throughout the body B. The respiratory system moves blood throughout the body C.