4. A high school athlete runs 400 m in 52.20 sec. What is his speed in mph?

14100

1110

What is a natural sattelite that orbits a planet

What net external force is required to accelerate a 155kg automobile form rest to a speed of 100km/hr in 10 seconds?

A baseball is thrown from the pitcher's mound to home plate, a distance of 60.5 feet. If the baseball travels at 92.4 feet per second, how long does it take to reach home plate?

If a sugar has 11 oxygen atoms, how many hydrogen atoms does it contain?

A baseball is thrown straight up from a building that is 25 meters tall with an initial velocity v = 10 m/s. How fast is it going when it hits the ground?

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