Brad walks and jogs to schooll every day. He averages 5 km/hr walking and 9 km/hr jogging. The distane from home to shool is 6 km, and the total trip takes 1 hour. How far does Brad walk?

The ball shown below is accelerating at a rate of 10 m/s2. The ball's mass is 5 kg. What is the net force on the ball? F net =? A. 2 N B. 5 N 15 N D. 50 N

Which structure at the front of the eye is hard and transparent? cornea sclera iris pupil

When tuning a guitar, a musician plays two strings at once. These sound waves overlap and often appear to get louder and softer if the strings are not in tune. This interaction of overlapping waves is called

If a radioactive material has a half-life of 15 y what fraction of the material will remain after 30 y

What type of wave is sound

What do we call seismic waves that are transmitted along the outside of earth?

Through which type of material does sound tend to travel at the highest speed? A. Sound travels at the same speed in every material B. Solids D. Liquids

How does a low pressure system determine the weather in an area?

Molecules at room temperature move freely. What happens to the molecules when heat is removed until it freezes? Molecules group together Molecules slow down and contract Molecules speed up and expand Molecules move freely

A spring is used in a lab. It is vibrated at different frequencies and the wavelength is recorded. Using the graph of the data, what is the relationship found between frequency and wavelength? A) Frequency and wavelength are inversely related.