A book has a mass of 5 lb what is the mass of the book kg

In the list below, there is a group of two numbers with the same order of magnitude. No other numbers in the list have this same order of magnitude. Select both of these numbers. 748 82341 3984 5421 17354 374 4287 10751

If an electron is released from rest in a uniform electric field, the electric potential energy of the charge-field system does what?

If you drop a ball off a cliff, it starts out a 0 m/s. After 1 s, it will be traveling at about 10 m/s. If air resistance is removed, what will happen in 2 s? And how do you know this? A. The ball will still be moving at 10 m/s. B.

What would be an example of chemical change that took a long time to occur

Electric energy can be stored by what kind of charges

Two copper wires with different diameters are joined end to end. If a current flows in the wire combination, what happens to electrons when they move from the larger-diameter wire into the smaller-diameter wire?

A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player/'s hand.

Volume can be measured in liters or cubic meters. a. T b. F

A spring with a spring constant of 1200 N/m has a 55-g ball at its end. The energy of the system is 5.5J. What is the amplitude of vibration?

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which one of the following must be true? a. W1 is zero, and W2 is positiveb. W1 = - W2c.