The best type of exercise for weight loss is

A car accelerates from 3.5 m/s to 17 m/s in 4.5 seconds. Find the acceleration of the car in m/s2

An engine takes in 200 J of heat, expels 40 J of heat, and does 160 J of work. What is the efficiency of the engine? A. 40% B. 60% C. 80% D. 20%

How many series connected 2v cells does a typical 24 storage battery contain

6. How much force is required to stop a 60 kg person traveling at 30 m/s during a time of a) 5.0 seconds b) 0.50 seconds C) 0.05 seconds

Which is the second step in the dissolving process? The solute is mixed with the solvent. The solute ions are carried into the solution. The solvent molecules surround the solute particles.

If two waves are traveling at the same speed, which statement will be true about their wavelengths? A. The wave with higher frequency will have shorter wavelength. B. The wave with lower frequency will have shorter wavelength. C.

The heating of the lower layer of the atmosphere from radiation absorbed by certain heat - absorbing gasses is called?

In our physical world, by far, the most abundance free charge in the universe is the electron, which has a negative charge. What do we mean, then, when we say that the surface of an object is positively charged?

You're going camping and are thinking of carrying 3 gallons of water. How much does the water weigh, in units of pounds?

A student is performing a double-slit experiment to determine the wavelength of a light source. She has measured the distance between dark bands and the distance between the slits and the screen.