A 235 g gold ball at a temperature of125°C is dropped into an insulated flask of water. The water was initially at a temperature of22°C. If the equilibrium temperature is 25°C, what is the mass of the water?

What is the symbol for the speed of light? A. c B. l C. s D. v

The waste products of combustion leave the eternal combustion engine through the? A. Crankshaft B. Exhaust valve C. Intake valve D. Cylinder

Which change increases the electric force between objects? A) Two neutral objects are moved closer together. B) Electrons are added to two negatively charged objects. C) Two oppositely charged objects are moved farther apart.

A noisy toy is placed in a glass jar. All the air is then slowly removed from the jar. How does this affect the sound you hear? The sound of the toy increases until it reaches its maximum. The sound of the toy decreases and then stops.

The research on the big fives effectiveness indicated that the trait perspective is? A. inconclusive B. inconsistent C. ineffective D. effective

Scientists can find the absolute age of a rock by using a uranium 235 dating b carbon 14 dating c carbon 12 dating d relative dating

What do scalars measure force acceleration magnitude velocity

Why do metals differ in specific heat? why is Al much higher than gold

Witch kind of force do you exert on an object when you pull towards you A-Applied force B-Attractive force C-Drag force D-Normal force

a solid sphere is rolling without slipping along a horizontal surface with a speed of 5.5 meters per second when it starts up a ramp that makes an angle of 25 degrees with the horizontal what is the speed of the sphere after it has Road 3M up the