It is generally seen that, when a substance absorbs heat energy, its heating curve shows two plateaus. Which phenomenon is indicated by these plateaus?

a) melting

b) boiling

c) phase change

d) crystallization

Which planet has a storm called the Great Dark Spot swirling in its atmosphere? a. Saturn b. Jupiter c. Uranus d. Neptune

Which of the following is not a simple machine? A. tape B. lever C. screw D. inclined plane

What happens when you push a spring? How is this different than pulling it? (Hooke's Law)

The absolute (or total) pressure at the bottom of a cylindrical container with a cross-sectional area of 47.0 cm2 and holding a fluid of density 560 kg/m3 is 115 kpa. (a) determine the depth of the fluid.

If the mass of an object halves, how does that affect its kinetic energy

What is the main optical element of a refracting telescope?

Two water manometers are connected to a tank of air. One leg of the manometer is open to 100kPa pressure (absolute) while the other leg is subjected to 90kPa. Find the difference in deflection between both manometers, Delta h_a - Delta h_b.

Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or asteroid struck the earth, throwing up so much dust that the sun was blocked out for a period of many months. A.

If you drop a silver dollar off a building and it hits the ground in 10 seconds, how fast was the coin going just before it hit?

What is the weight of an with a mass of 32kg