A substance that contains only one kind of matter is known as a (n)

When the ratio of 2 variables is constant what can their relationship be described as

A bird can fly 25 km/h. How long does it take to fly 15 km?

What would the canoe do if a person were in the canoe on a calm lake and they threw a heavy stone into the water in front of them? The canoe would move forward a bit. The canoe would move backward a bit. The canoe would move forward and keep going.

The addition of electron shells results in shielding of electrons from the nucleus.

A roller coaster car is going over the top of a 18-m-radius circular rise. at the top of the hill, the passengers "feel light," with an apparent weight only 50 % of their true weight.

Sound travels 2146 m through a material in 1.4 seconds. What is the material?

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time

Brittany stands at rest on a skateboard. the combined mass of brittany and the skateboard is 62 kg. dave tosses a 3.7-kg pumpkin to brittany, and when she catches it, she and the skateboard begin to roll backward with a speed of 0.16 m/s.

The maximum restoring force that can be applied to the disk without breaking it is 40000 n. what is the maximum oscillation amplitude that won't rupture the disk