What does mass mean

How does the use of fertilizer affect the nutrogen cycle?

which statements best describes temperature? a. it is a measure of heat flow. b. it is a measure of average kinetic energy. c. it is a measure of average potential energy. d. it is a measure of average potential and kinetic energy. e.

What is physics, give defination

When you turn brownie mix into brownies is that a physical change?

An instructor furiously cranks an electric generator to simultaneously power 5 electric light bulbs. Each 5.4 V bulb is drawing 0.14 A of current.

What physical characteristic is the same for a particular substance regardless of the sample size.

In the hydrologic cycle, water evaporates into the atmosphere. It then condenses and falls to the ground as precipitation. How can the water return to the atmosphere?

1. If a 25 kg car accelerates at a speed of 100m/s2,2 what will the force of the car be? Plug in the numbers: Force = mass x acceleration

1.) A circuit has a current of 0.5A and a resistence of 8 ohms. What is the resistence? 2.) A circuit has a voltage of 9V and a current of 3A, what is the resistence?

What is the source of energy for the process of evaporation?