A student exerts a force of 500 n pushing a box 10 m across the floor in 4 s. how much work does the student perform?

The voltage V in a simple electrical circuit is slowly decreasing as the battery wears out. The resistance R is slowly increasing as the resistor heats up. Use Ohm's Law, V = IR, to find how the current.

What is tachyons particles

15 grams of liquid plastic are frozen in a physical change that increases the volume. What can be known about the plastic after the change?

How many seconds will it take for a satellite to travel 450 km at a rate of 120 m/s?

Label each statement according to whether it refers to AC, DC, both, or neither. a. The current is always constant in these types of circuits. b. The current in this type of circuit travels in the same direction at all times. c.

How long will it take a bike traveling at 5 meters per second to travel 25 meters south? A. 5 s B. 0.2 s C. 5 s south D. 0.2 s south

Two masses are connected by a string which passes over a pulley with negligible mass and friction. One mass hangs vertically and one mass slides on a frictionless 30.0-degree incline. The vertically hanging mass is 6.

The coordinates 40 degrees north and 100 degrees east falls in what country?

Which type of radio waves have the highest frequency and are used in radar detection? microwaves x-rays waves infrared waves gamma waves

Which of the following are known to exist on the moon? select all that apply. a. air b. ice c. life d. basalt