Sum of number of protons and neutrons in the nucleus

Which is not derived from the theory of relativity? time dilation. the space-time continuum. wormholes. time contraction?

What is the correct label for a solution?

A baseball has a mass of 140 grams and a softball has a mass of 280 grams. In which of the following situations would they both have the same momentum?

A pascal is a unit for measuring pressure. which of the following is equal to a pascal unit? a. newtons divided by square meters b. square meters divided by kilograms c. newtons divided by cubic centimeters d.

A researcher rolls some clay into a ball and shows it to Zian, then squishes the clay into a pancake. Zian understands that the amount of clay is the same in both.

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus

What is the total number of atoms in the following formula? CaBr2

A lifeguard on a beach observes that waves have a speed of 7 m/s and a distance of 4.6m between wave crests. what is the period of the wave motion?