A submarine travels 25 km/h north for 3.2 hours. What is its displacement?

A.

7.8 km north

B.

28.2 km north

C.

80.0 km north

D.

253 km north

Suppose a profit-maximizing firm in a competitive market produces rubber bands. When the market price for rubber bands falls below the minimum of its average total cost, but still lies above the minimum of average variable cost, in the short run the

Is James Charles gay or strait

Is it true In a chemical reaction, the combined molar masses of the reactants is greater than the combined molar masses of the products.

A wave has a low speed but a high frequency. What can you infer about its wavelength?

A 7 kilogram cat is resting on top of a bookshelf that is 2 meters high. what is the cat's gravitational potential energy relative to the floor? joules

Which of the following is true A) land heats less rapidly than water B) land heats more rapidly than water C) land reaches higher temperatures than water D) both b and c

What is the upper limit to the mass of a neutron star beyond which neutron degeneracy pressure is unable to withstand the force of gravity and the neutron star is crushed out of existence into a black hole?

What happened to the test charge when brought near another positive charge, and how did you use this fact to score a goal only using positive charges? Explain for both the practice charge and more difficult levels.

You get up in the morning, get dressed, eat breakfast, walk to the bus stop, and ride to school. List three different energy transformations that have taken place.

If you lived by the sea, what effect of the moon would you see? Describe the effect.