1. How much work is done on a 20-N rock that you lift 1.5 meters up?

A) 3 Joules

B) 30 Joules

C) 3 Watts

D) 30 Watts

A block of ice of mass 4.30 kg is placed against a horizontal spring that has a force constant k = 250 N/m and is compressed a distance 2.80 * 10⁻² m. The spring is released and accelerates the block along a horizontal surface.

You stand sideways in a moving train. Estimate how far apart you should keep your feet so that when the train accelerates at 3.2 m/s2 you can still stand without holding anything. Let d be the distance of separation between your feet, and h = 0.

Describe what might happen if Earth's magnetic field continues to lose strength.

Which of the following is often found in individuals who are active and eating a healthy diet?

A runner begins running at the beginning of 7th period and stops running at the end of the period. She runs at a pace of 10 km/hr and travels 9.2 km. How long did she run

Students will explain, distinguish the difference between the 4 states of matter

Name one way that a mixture can be separated

The Huka Falls on the Waikato River is one of New Zealand's most visited natural tourist attractions. On average, the river has a flow rate of about 300,000 L/s. At the gorge, the river narrows to 20-m wide and averages 20-m deep.

Name six processes that are often involved in scientific inquiry.

What happens to the ball's velocity while the ball is traveling upwards?