An object with a mass of 7 kg accelerates 5 m/s2 when an unknown force is applied to it. What is the unknown force?

Charlotte throws a paper airplane into the air, and it lands on the ground. Which best explains why this is an example of projectile motion?

Which of these statements accurately describe uses of ultrasound technology? Check all that apply. It is unsafe to use for industrial applications. It can be used to clean small items like jewelry. It can be used to clean large items like machinery.

How many grams of ice at 0°c will melt if 1.50 kj of heat are added? (the molar heat of fusion of water is 6.01 kj/mol.) 4.49 g 12.0 g 7.51 g 2.99 g?

Compared to our sun, most stars in the halo are

Val warms up some soup on the stove. Assuming no phase change has occurred, what effect does warming have on the soup?

Whats a similarity between distance and displacement

What is the difference between analog and digital sound transmission?

A 20 kilogram ball rolls down a 10 meter ramp at the rate of 15 meters per second.

Why does the falling speed of a ball keeps increasing every second when it is dropped from a building?

In your own words describe an interaction between the chromosphere and the hydrosphere