A screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw. calculate the ideal mechanical advantage.

What are the applied forces on a box that is at rest on a floor

Suppose that a nascar race car is moving to the right with a constant velocity of + 82m/s. what is the average acceleration of the car?

Why do most people accept Earth's spherical shape as a scientific fact? A.) It is a convincing persuasion by authoritative scientists. B.) It is a consensus agreed upon by most people. C.

A car not engine has an efficiency of 22.0%. it operates between constant temperature reservoirs with a difference of 75d degrees Celsius. what are the temperature of the two reservoirs

Running converts what type of energy into mechanical energy

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration

An element in period 4 would have how many electron shells

Olivia wants to find out whether a substance will fluoresce. She says she should put it in a microwave oven. Do you agree with her? Why or why not?

A skydier jumps out of a hovering helicopter so there is no forward velocity. what is the skydivers acceleration/11170085/84c6e0eb? utm_source=registration

A book of 500 leaves has a mass of 1kg if its thickness is 5cm what are the mass and thickness of each leaf