The amount of heat energy required to raise the temperature of a unit mass of a material one degree is: A. absolute zero. B. a Joule. C. a Btu. D. its heat capacity

A compound's molecular formula tells you how many atoms of each type are in one molecule. true or false

Is the relationship between velocity and the period directly proportional or inversely proportional?

A ball with mass 0.13 kg is thrown upward with initial velocity 20 m/s from the roof of a building 30 m high. neglect air resistance. (a computer algebra system is recommended. use g = 9.8 m/s2 for the acceleration due to gravity.

Which quantity is scalar? (1) velocity (2) speed (3) displacement (4) acceleration

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? A. Transparent - > translucent - > opaque B. Opaque - > transparent - > translucent C. Opaque - > translucent - > transparent D.

Why might a plant that normally grows in one environment not grow well in a different one?

The gun, mount, and train car of a railway had a total mass of 1.22 x 10^6 kg. The gun fired a projectile that was 80 cm in diameter and weighed 7502 kg. In the firing, the gun has been elevated 20 degrees above the horizontal.

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?

What is the relationship between matter and energy as it changes states of matter (phase changes?)

Television is becoming a more effective mass media outlet for advertising because so many more people own TV sets and have access to cable as well as satellite. A. True B. False