A hair dryer operating from 120 v has two settings, hot and warm. in which setting is the resistance likely to be smaller?

When the power goes off, Jack does not have a flashlight so he uses a glow stick to provide light. He is not very satisfied with how long the glow stick lasts.

A 75 force is applied to the side of a crate resting on a level floor. The crate has a mass of 25kg. If the coefficient of static friction is. 15, is the 75 N force enough to make the crate accelerate? Explain why or why not.

when a boy plays a penalty kick he applies a force of 30N for a period of 0.05s. If the mass of the ball is 0.075KG, calculate the speed with which the ball move

A wooden cube is floating in a small fish tank that is filled with water. Imagine that you take this setup to a space station on the Moon. Air pressure and temperature inside the station are similar to conditions on Earth.

Which of the following is a true statement about recycling? Recycling allows resources to be reused, instead of dumped in landfills. Recycled products emit oxygen into the atmosphere. Recycling causes the earth to cool down, instead of warm up.

What is not a factor that affects the viscosity of magma?

While driving his 600-kg ultra-compact electric car, a distracted driver starts crossing a drawbridge. Not realizing that the drawbridge is about to open, he ends up in the river below with his car.

A police officer's radar gun emits radio waves at a frequency of 10.7 GHz10.7 GHz. What is the difference in the frequencies reflected back to the radar gun by a car traveling at the 75 mph75 mph speed limit and a car travelling 9 mph9 mph faster?

Function of a battery

When an electric current runs through a wire, a magnetic field is induced ... O Around the wire O Parallel to the wire O Under the wire O Through the wire