A lever is used to lift a heavy weight. The length of the input arm of the lever is 3 m, the length of output arm is 1 m.

What is the mechanical advantage of the lever?

3

1

4

0.33

At very high pressures gases become?

When practicing an oral presentation, you want to make sure to do all of the following except speak with confidence. smile at your audience. read from your notes. speak slowly and clearly.

In which of the following situation is light most likely to be a reflection

Identify three specific situations in which machines make work easier.

What are the 6 ingredients of sponch

How are trade winds affected by the coriolis effect

When a raw egg gets heated into an edible egg is this considered a physical or chemical change?

Starting at its rightmost position, it takes 2 seconds for the pendulum of a grandfather clock to swing a horizontal distance of 18 inches from right to left and 2 seconds for the pendulum to swing back from left to right.

A question about a moral issue is answered by examining facts rather than opinions. is generally considered a scientific question. cannot be answered with scientific methods. cannot be debated through discussion.

Who is most likely to have a physiological age that is much younger than his or her actual age?