Jeff puts on a leather jacket over his sweater. The sweater becomes negatively charged. Which statements about Jeff's situation are true?

A bullet travels at 870 m/s. How long will it take to travel 1 m?

What do I have to do to figure out " What % of an object's mass is above the water line if the object's density is 0.82g/ml " with just that information?

A mass of 5 kg stretches a spring 10 cm. The mass is acted on by an external force of 10 sin (t/2) N (newtons) and moves in a medium that imparts a viscous force of 2 N when the speed of the mass is 4 cm/s.

How much heat is absorbed by a 34g iron skillet when its temperature rises from 11oC to 26oC?

If convection in the mantle slowed what would also slow down?

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?

A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg puck moving initially along the x axis with a speed of 2.00 m/s. After the collision, the 0.200-kg puck has a speed of 1.00 m/s at an angle of? = 52.0