A wheelchair ramp needs to be 8 inches high how long does it have to be to have a mechanical advantage of 5

What is the speed of sound at a temperature of 56°C?

Explain why a valve would last longer in the pulmonary position than in the aortic position

Which of the following would decrease current flow in a circuit made originally from 1.5 volt battery, a loop of wire and a switch

According to Einstein, nothing in the universe can move faster than which approximate speed? 1.0 * 107 m/s 1.0 * 108 m/s 3.0 * 108 m/s 3.0 * 109 m/s

Sally goes on a hike. The distance she walks compared to the amount of time she walks is shown on the graph. Which statement is not true? A. The longer Sally walks, the farther she travels. B. Sally does not walk from the 6th to the 7th hour. C.

How can the same material bend in one situation but break in another

According to Newton's first law of motion, what would happen to a car traveling at a constant velocity of 55 MPH to the west in the absence of an unbalanced force?

The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States.

Describe how lighting is just like you walking across a carpet and getting shocked

You need to raise a heavy block by pulling it with a massless rope. You can either (a) pull the block straight up height h, or (b) pull it up a long, frictionless plane inclined at a 15∘ angle until its height has increased by h.