If the distance between two objects is decreased to one fourth the original distance, what happens to the force?

Which kind of mechanical wave needs a source of energy to produce it?

When verifying Kirchhoff's rules, you measured: (a) temperature (b) resistance (c) time (d) current

A revolutionary war cannon, with a mass of 2240 kg, fires a 15.5 kg ball horizontally. The cannonball has a speed of 131 m/s after it has left the barrel. The cannon carriage is on a flat platform and is free to roll horizontally.

Plutonium-241 is an isotope of plutonium that is highly radioactive and is used in some nuclear reactors and many nuclear weapons. It has a half-life of 14.4 years.

Which of the following is a use of radioactive isotopes? Question 7 options: a. can determine the ages of rocks and fossils b. can be used to treat cancer and kill bacteria that cause food to spoil c.

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank

How fast or slow an object is moving and in what direction