Which of the following items uses a wheel and an axle?

a) a bicycle

b) a wheel chair ramp

c) a pair of scissors

d) a shovel

A straight road to the top of a hill is 2500 feet long and make of 12°with the horizontal. find the high of the hill

The prothallus is a small, green, oval-shaped gametophyte. true or false

Which of the following statement about biofuels is NOT true? a. Biofuel is a fuel made from living things. b. Products previously considered waste can finding new life as biofuel. c. Cooking waste oil is not considered as a biofuel. d.

Do metal atoms tend to gain or lose electrons?

Where are the life forms of the biosphere located

How can you make gravity smaller and bigger

What is friction and explain

How does the velocity, the distance it has fallen and the acceleration of a free falling body change with time?

Woman pulls a 6.87 kg suitcase, initially at rest, with a 29.2 N force along the handle at 57.7º. Friction pulls back at 12.7 N, and the suitcase moves 5.93 m. What is its final speed? (Unit = m/s)

Suppose you know a golf ball's horizontal velocity and the time it has traveled through the air. how could you calculate how far the ball traveled