Kristina demonstrates a toy for her younger brother. The steps to operate the toy are listed below. Step 1. Push the toy down. Step 2. A spring compresses. Step 3. Release the toy. Step 4. The toy jumps into the air. Which best describes Step 4?

How does the nuclear charge relate to the energy of the 1s orbital?

A beetle crawling around on a desk walks 19 cm in 17 seconds to the right. It then changes direction and walks 6 cm in 6 seconds to the left. What is the average speed of the beetle in cm/s?

Why is the killing of American Indians by European colonists and explorers between the 15th and 19th centuries considered genocide? O A. Because it was a deliberate attempt to eliminate a group of people O B.

How do you calculate friction

A car whose mass is 1000 kg is traveling at a constant speed of 10 m/s. Neglecting any friction, how much force will the engine have to supply to keep going the same speed? (Think Inertia) (Look at the units)

Reimbursement means that a client is A. able to apply for healthcare insurance and refunded for a partial sum of the payment plan by the state. B.

Meg runs a 10km race in 45 minutes (0.75 hours). What was her speed in kilometers per hour? a. 22 km/hr b. 7.5 km/hr c. 4.5 km/hr d. 13 km/hr

If you are an astronaut slowly drifting away from the space station, you might be able to drift back to the station by throwing a 555-kg tool rapidly in the direction that you are traveling (away from the station) A. False B. True C. Don't ask me D.

The loss of an electron from a neutral helium atom results in

What happens during the intake and compression strokes of a four stroke engine?