An example of a metalloid, elements with properties between metals and non-metals, is:

A. silicon

B. iron

C. oxygen

D. copper

A bike travels 15.0 km in 45.0 min. Its average speed in km/h is.

Use Newton's second law to determine how much force is being applied to an object that is travelling at a constant velocity.

What type of change occurs when water changes from a solid to a liquid

Which are methods of reducing exposure to ionizing radiation? Check all that apply

Where is subduction most likely to occur? a. near a normal boundary b. at a convergent boundary c. at a divergent boundary d. near a transform boundary

When Cannon and Washburn measured stomach contractions with a balloon, they found that?

An astronaut weighs 104 newtons on the moon, where the strength of gravity is 1.6 newtons per kilogram. What would she weigh on Mars?

A chemical bond formed when Adams share three pairs of electrons is A. an ionic bond B. a single bond C. a double bond D. a Triple bond

A 1100 kg car rounds a circular turn of radius 24.6 m. Of the road is flat and the coefficient of static friction between the tires and the road is 0.59, how fast can the car go without skidding

What is the momentum of a 15 kg tire rolling down a hill at 3 m/s? 5 kg • m/s 18 kg • m/s 45 kg • m/s 60 kg • m/s