How do we measure the amount of acidity in rain?

Suppose that the moment of inertia of a skater with arms out and one leg extended is 3.5 kg⋅m2 and for arms and legs in is 0.70 kg⋅m2. if she starts out spinning at 4.

Which of these properties of an object best quantifies its inertia: velocity, acceleration, volume, mass, or temperature?

A compact car with a mass of 725 kg is moving at 30 m/s. What is its momentum?

Which of the following statements describes an electric generator? A. A magnet is rotated through a coil of wire to produce an electric current. B. Electric potential in a rotating coil of wire creates a permanent magnet. C.

Discuss how electromagnets have been created that are strong enough to pick up cars in a wrecking yard and are able to be switched off, dropped the cars onto a scrap pile to be crushed.

A hot air balloon is rising straight up at a constant speed of 7 m/s. when the balloon is 12.0 m/s above the ground, a gun fires a pellet straight up from ground level with an initial speed of 30.0 m/s.

The atmosphere is an). O element O molecule O mixture O compound

What is the velocity of the car, in meters per second, just after it hits a 135-kg deer initially running at 10.5 m/s in the same direction? Assume the deer remains on the car.

True or false the metric unit used to describe weight as a measure of the force of gravity is called a newton

One car travels 40. meters due east in 5.0 seconds, and a second car travels 64 meters due west in 8.0 seconds. During their periods of travel, the cars definitely had the same