A person rubs her hands together and they heat up

• kinetic energy

• light energy

• sound energy

• electrical energy

• chemical energy

• heat energy

(multiple choice)

Formed when wind travels into a low pressure area from opposite directions and creates a spinning storm

Which of Newton's laws says that an object in motion stays in motion, and an object at rest stays at rest unless acted upon by a force? third second first

What is the velocity of a quarter drooped from a towards after 10secounds

While strolling downtown on a saturday afternoon, you stumble across an old car show. as you are walking along an alley toward a main street, you glimpse a particularly stylish alpha romeo pass by.

Explain how a step-down transformer makes electricity safe for use in homes.

If a reaction has a rate constant of 3.7 x 10-3 s-1 at 25oC, and an activation energy of 43.6 kJ/mol, what will be the rate constant for this reaction at 75oC?

Two sounds are played for you. The first has a frequency of 196 Hz. The second has a frequency of 392 Hz. Which sound will be "higher" to your ear? A) The First B) The Second C) They will sound the same

When is an object that has been dropped from a great height through the air closest to vein in a free fall? At it's terminal velocity < - - this one?

A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg puck moving initially along the x axis with a speed of 2.00 m/s. After the collision, the 0.200-kg puck has a speed of 1.00 m/s at an angle of? = 52.0

Ariella drove 40 miles to see her cousin. The trip took Ariella 2 hours. Then drove from her cousins house to a store for 30 miles. It took Ariella to hours to Ariella to arrive at the store. What was the average speed of the trip