The velocity of sound in air is 332 m/s. If the unit of length is km and the unit of time is hour, what is the value of velocity?

Defining Mechanical Advantage and Efficiency Mechanical advantage is the ratio of Efficiency is the ratio of expressed as a percentage. Intro ✓ Done Activity

A paperboy rode his bike 3m/s. After being chased by a dog for 8 seconds he was traveling 6m/s. What is his accleration

What happens when a light bulb has too much power going to it

Which of the following statements about Ohm's Law is true? A. To increase the current, decrease the resistance. B. Keeping the same voltage and decreasing resistance decreases the current. C. Ohm's law relates power, current and resistance. D.

Whats the origin of all stars? a) supernova b) dwarfs c) protostars d) nebulae

An incident that is caused by sleep and also occurs during sleep is known as a

A person is strolling along a moving walkway at a constant velocity of + 1.00 m/s with respect tot he walkway, which moves at a constant velocity of + 0.50 m/s with respect to the ground.

When a propagule falls into the water, it displaces some water, which causes a small splash

You are watching children play a game of tug-o-war with an old plastic clothesline. The two teams are pulling at opposite ends of the cord and each team is trying to drag the other team into a mud puddle that lies between them.

A Mars rover has a mass of 500 kg. The acceleration due to gravity in mars is about 3.7 m/s^2 and the coefficient of kinetic friction for the rover on the surface is 0.4.