A boat is moving at a rate of 15.0 meters per second. Its speed is then decreased uniformly to 3.0 meters per second. It takes 4 seconds for the speed to decrease. What is the magnitude of the deceleration of the car?

Rare fraction or the bendig of waves takes place when a light wave changes

Using data from seismic waves, geologists have learned that Earth's interior is made up of several a. continents. b. layers. c. ridges. d. trenches.

Hich of the following describes the sequence of events that most likely lead to the origin of life on Earth? Individual atoms combined to form simple molecules, which combined to make more complex molecules.

This is the process of water changing from a gas to a liquid. You will see clouds forming when this happens.

We get hurt when we jump on a muddy floor than on a hard floor. give reason

Objects can be accelerating and traveling at constant velocity at the same time. True or False

What kind of star gives rise to a type i supernova? a. white dwarf stars b. massive main sequence stars c. red giant stars?

Example of an object in motion

A proton and an alpha particle are momentarily at rest at a distance r from each other. They then begin to move apart. Find the speed of the proton by the time the distance between the proton and the alpha particle doubles.

Why is it a good idea to extend your bare hand forward when you are getting ready to catch a fast-moving baseball? a. So you can catch the ball with a stiff arm, increasing the time to slow the ball thus deceasing the force. b.