For a mass moving up and down on a spring, what causes simple harmonic motion?

a. weight

b. gravity

c. restoring force

d. spring constant

What is the weight of an object that has a mass of 3.5kg

Where are the metals located on the periodic table

Match each type of wave made during an earthquake to its wave form. 1. primary wave 2. secondary wave 3. surface wave circular wave transverse wave longitudinal wave

A pharmacist attempts to weigh 100 milligrams of codeine sulfate on a balance with a sensitivity requirement of 4 milligrams. Calculate the maximum potential error (nearest hundredth) in terms of percentage (%). 2) A 10-milliliter graduate weighs 42.

A cross country skier can complete a 7.5km race in 45 minutes. What is the skier's average speed?

You wish to lift a 12,000 lb stone by a vertical distance of 15 ft. Unfortunately, you can only generate a maximum pushing force of 2,000 lb. What is the amount of work you must input in order to move the stone

Nonrenewable energy resources do not include which of the following?

A scientist has found a new drug that appears to provide weight loss in humans without dieting. The scientist has tested the drug on thousands of people and has found a few side effects.

If there are 20 Earthworms in a garden that covers 5 square meters, what is the population density of the earthworms? A. 20 Earthworms B. 4 C. 100 Earthworms per square meter D. 4 Earthworms per square meter

How are AC and DC generators different? In AC generators, commutators produce alternating current. In AC generators, no commutators or slip rings are used. In DC generators, slip rings produce direct current.