What is the speed of a 48 kg dog running across a lawn with 216 J of energy?

an egg is dropped from the top of the library roof. then 2.2 seconds after that a second egg is thrown straight down with an initial speed of 58m/s. it is then observed that the two eggs splat on the ground at the same instant.

The distance from the sun to earth is 1.496 * 108 km. how long does it take light to travel from the sun to earth?

A child is riding a bike at a speed of 0.6m/s with a total kinetic energy of 12.4J. If the mass of the child is 30kg, what is the mass of the bike?

Your science teacher gives you three liquids to pour into a jar. After pouring, the liquids layer as seen here. What property of matter prevents the three liquids from mixing together to form a solution?

Boyle's law says that the volume of a gas varies inversely with the pressure. when the volume of a certain gas is 5l, the pressure is 512 kpa (kilopascals). what is the pressure when the volume is 4l

why do you think people had a hard time accepting the idea of gravity as a force that keeps planets in their orbits?

If a hot-air balloon hovers at a fixed altitude the net weight of the balloon must be

For an object to appear blue what must the object do to blue light waves? A. It must refract them B. It must diffract them C. it must reflect them D. It must shift them

Which of the following statements is NOT true? A. You are exposed to nuclear radiation every day. B. Most of the nuclear radiation you are exposed to occurs naturally in the environment. C.

What kind of motion should you give to a slinky to produce a transverse wave?