What is the mass, in kilograms, of an avogadro's number of people, if the average mass of a person is 150 lb?

The ___ of an object measures the amount of matter in t g e object

As light reflects off a mirror the angle between the incident ray and reflected ray of light is 50°. What is the angle of reflection?

According to Newtons third law of motion when one object exerts a force on a second object what is true about the forces? A. they are equal in magnitude B. they are opposite in magnitude and equal in direction C.

Has anybody done the 'NNHS Introductory Physics MCAS Review Packet 3'? If so, can you send me the answers for the packet?

A train's mass is 500 kg and it's acceleration is 5 m/s. What is the net force on the train

If you push against a stationary object for 10 seconds, you have performed an: a. eccentric exercise. b. isokinetic exercise. c. isometric exercise. d. isotonic exercise

Does the size of the particles change as the substance changes state?

If a ball is thrown vertically into the air in the presences of air resistance, would you expect the time during which it rises to be longer or shorter than the time during if falls?

The process of deformation due to plate movements that changes earth's surface is called

If the frequency of a sound wave is 250 hertz and its wavelength is 1.36 meters, what is the wave's velocity?