Which of the following is a benefit of an MP3 player? A. The number of songs it holds B. How small it is C. How long the battery lasts D. How it allows the purchaser to listen to music anywhere

When an object is lifted 12 meters off the ground, it gains a certain amount of potential energy. If the same object is lifted 36 meters off the ground, its potential energy is

If atmospheric pressure suddenly changes from 1.00 atm to 0.896 atm at 298 k, how much oxygen will be released from 3.30 l of water in an unsealed container?

A 50.0kg box is being pushed along a horizontal surface by a force of 250N directed 28 degrees below the horizontal. The coefficient of kinetic friction between the box and the surface is 0.300. What is the acceleration of the box? A) 0.

Choose the false statement concerning parallel circuits. a. The voltage across each branch of the circuit is the same. b. Current can vary in different branches of a circuit depending on the resistance in those branches. c.

How far will a car travel in 25 seconds at 10m / min

If you combine 430.0 ml of water at 25.00 °c and 140.0 ml of water at 95.00 °c, what is the final temperature of the mixture? use 1.00 g/ml as the density of water. s

While working out, a man performed 200 j of work in 3 seconds. What was his power?

A funnel-shaped low pressure closure

A rubber rod can be charged negatively when it is rubbed with wool. predict what happens when you rub a copper rod with wool

A copper rod is 0.450 m long. Heat is added to the rod until it expands by 0.00130 m. How much did the temperature change? (Unit=C)