if the input force on a wheel and axle is 2 N and the output force is 20N what is its mechanical advantage

A golfer rides in a golf cart at an average speed of 3.10 m/s for 23.0 s. She then gets out of the cart and starts walking at an average speed of 1.20 m/s.

What device is used for side mirrors on automobiles

When you take your clothes out of the dryer, immediately after it stops, the clothes often stick to your hands and arms. Which object is initially charged, your hands and arms or the clothing? Why?

Which kind of particles can move from the atom and influence magnetism?

What is Alzheimer's disease? a. a group of defects that occur as a result of the mother ingesting alcohol during pregnancy b. disorder that rapidly kills brain cells and causes dementia c. fear of being away from the primary caregiver d.

The scientific method begins with recognizing a problem. The recognized problem in this scenario is, "Why is the printer in the office not working?" Choose the hypotheses that are testable and from which an experiment can be formed.

The correctly balanced equation for H2O2 → H2O + O2 is

How would an unbalanced chemical equation convey misleading information about what took place during a chemical reaction?

A car rounds a 75-m radius curve at a constant speed of 18 m/s. a ball is suspended by a string from the ceiling the car and moves with the car. the angle between the string and the vertical is:

Emission of light from an atom occurs when an electron