Where is the magnetic field of a bar magnet the strongest?

A.

at the north and south poles

B.

next to the south pole

C.

in the middle of the magnet

D.

between the north and south poles

Which of the following has the most potential energy? A. A car at the top of the hill B. A Car speeding down a hill C. A person at the top of the hill

The motion of a small ball floating on a pond when waves travel across the ponds

Heat flows due to: Select one: a. conduction b. convection c. radiation d. all of the above

If a radioactivite material has 1 hour half-life, how much of a 1000 g sample will be left after 6 hours

What is done whenever a force moves an object through a distance? Question 2 options: force load energy work

A hollow pipe is submerged in a stream of water so that the length of the pipe is parallel to the velocity of the water.

If the speed of an object decreases to one-half, what happens to its momentum? It doubles It remains the same It decreases to one half It decreases to one fourth

If a reaction has a rate constant of 3.7 x 10-3 s-1 at 25oC, and an activation energy of 43.6 kJ/mol, what will be the rate constant for this reaction at 75oC?

Two sounds are played for you. The first has a frequency of 196 Hz. The second has a frequency of 392 Hz. Which sound will be "higher" to your ear? A) The First B) The Second C) They will sound the same

When is an object that has been dropped from a great height through the air closest to vein in a free fall? At it's terminal velocity < - - this one?