Determin the kinetic energy of 1000-kg roller coaster car that is moving with the speed of 20. o m/s what if the speed was moving twice the speed

What classification is given to objects such as Pluto and Eris, which are large enough to be round, and whose orbits lie beyond that of Neptune?

A sound wave travels through water. What best describes the direction of the water particles? The water particles move perpendicular to the source of the sound wave.

Compared to that of a plane on the ground, is Earth's gravitational pull on a plane 7 miles above Earth approximately the same?

A single fixed pulley changes the effort force in direction. true or false

A street light is at the top of a pole that is 16 feet tall. A woman 6 ft tall walks away from the pole with a speed of 7 ft/sec along a straight path. How fast is the length of her shadow moving when she is 45 ft from the base of the pole?

A car traveled 176 miles on 6.4 gallons of fuel the car averaged how many miles per gallon

Which of these describes how heat is transferred by radiation? A.) Warm air rises and takes heat with it; eventually it cools and sinks. B.) Sunlight travels through space without the aid of fluids or solids. C.

A body is moving with a velocity of 12m/s and it comes to rest in 2 minutes, what was the acceleration?

How can you find magnitude of velocity from a displacement time graph of an object?

Consider two rocks with masses of 1 and ten kilograms. What is the relation between their inertia's? Between their masses? Between their weights on earth?