If you know the power rating of an appliance and the voltage of the line it is attracted to, you can calculate the current the appliance uses by

Wavelength is measured in hertz true or false?

A block weighing 10 newtons is resting on a plane inclined 30° to the horizontal. What is the magnitude of the normal force acting on the block? Round your answer to the nearest whole number.

Compare and contrast loudness and intensity

Although solid matter is mostly empty space, we don't fall through the floor because atoms are constantly vibrating, even at absolute zero. of electrical forces. of gravitational forces. of nuclear forces. none of the above

You want to find out how much water an aquarium tank can hold. Which SI unit would you use?

For each of the following news stories, determine whether the objects speed or velocity is given: the world record for the hundred-meters dash is about 10m/s; the wind today is 30 km/h from the north-west;

How to find initial velocity

Newer telephone circuits, built during the last decade, offer higher quality because they were built using analog transmission. True False

How do you solve a problem like this: How much force must Mr. McDonald exert to lift a 112 kg object? What would happen if Mr. McDonald would exert more than the the required force to lift the object?

Which type of galaxy is a spherical cluster of stars with extraordinary brightness and little dust and gas?