Select all the correct answers.

What happens to water when it changes to ice?

Its density increases.

Its density decreases.

Its mass increases.

Its mass decreases.

Its volume increases.

Its volume decreases.

Sources of error in velocity of sound in air?

A ball is dropped from rest from the top of a 6.15-m-tall building, falls straight downward, collides in-elastically with the ground, and bounces back. the ball loses 20.0% of its kinetic energy every time it collides with the ground.

Why is the nirtogen cycle important to the ecosystem?

Does a stick of dynamite contain force?

What is the reaction force of a hammer hitting a nail?

The height of a cylinder is decreasing at a constant rate of 8 inches per minute, and the volume is decreasing at a rate of 161 cubic inches per minute.

Is the term used to describe an object with enough orbital energy to escape earth completely?

The formulas into H2O and CO2 are present molecules which are defined as

A car is going 7 m/s when it begins to accelerate. Sixty meters further down the road, the car is going 24 m/s. a) What was the acceleration of the car? b) How much time did the change from 7 m/s to 24 m/s take?

When you are in the front passenger seat of a car turning to the left, you may find yourself pressed against the right-side door. What concept (s) explain (s) why you press against the door and why the door presses on you? 1.