Andrew kicks a ball along a straight path. The ball rolls straight forward for 13.2 meters. Then Andrew kicks the ball straight back. The ball rolls back along the same path for 9.5 meters. What distance did the ball travel?

Why is it important to use placebos and a double-blind approach in some studies

Which of the following is an example of uniform motion? A car going around a circular track at a constant speed. A person at rest starts running in a straight line in a fixed direction. A Ball dropped from the top of a building.

Which of the following is NOT an example of a transmutation? A. Uranium-238 emits an alpha particle forms thorium-234 B. Uranium-238 is bombarded with a neutron to produce uranium-239 C. Potassium-38 emits a beta particle and forms argon-38 D.

How does the doppler effect affect the velocity from a sourse that is approaching you?

Different between sky and space

The metallic elements which all react in water are found in the: same group same period rare earth elements

How much work is required to move a box 5 meters across the floor with a force of 15N?

Why have plants in the alpine biome adapted to survive on limited nutrients?

At a molecular level, does plasma have more or less energy than other states of matter?

A bobsledder pushes her sled across horizontal snow to get it going, then jumps in. After she jumps in, the sled gradually slows to a halt.