A force of 4.97 n acts on a (n) 4.9 kg object for 20.6 s. what is the object's change in momentum? answer in units of n · s.

Cheryl has a mug she says is made up of matter. Heather says that the hot choclate inside the cup is made up of matter too. Keaton says that the steam coming from the cup is also made up of matter.

What will the stopping distance be for a 3,000-kg car if - 3,000 N of force are applied when the car is traveling 10 m/s? A. 30 m B. 150,000 m C. 50 m D. 10 m

What is the term for the lumps that form when an acid is added to milk?

Circle the letter of the sentence that tells how Bohr' model of the atom differed from Rutherford's model A. Bohr's model focused on the nucleus B. Bohr's model focused on the protons C. Bohr's model focused on the neutrons D.

Calculate the value of two equal charges if they repel one another with a force of 10 N having 10 m distance apart in a vacuum.

Sound waves can combine to become bigger or smaller true or false

Archimedes supposedly was asked to determine whether a crown made for the king consisted of pure gold (density of gold is 19.3 * 103 kg/m3). According to legend, he solved this problem by weighing the crown first in air and then in water.

What are at least three types of energy involving a microwave

1. At one time, people thought that heat was a substance called

How are magnet'so magnetic force and magnetic field different