What is the mechanical advantage of a pulley?

An ampere is the si unit of which of the following? a electric power, b electric current, c resistance, d electric potential difference

What would be an example of Newton's first law

A cylindrical resistor element on a circuit board dissipates 0.15 W of power in an environment at 40°C. The resistor is 1.2 cm long, and has a diameter of 0.3 cm.

There are 5,280 feet in 1 mile and 12 inches in one foot. How many inches are in a mile?

What is a bright, star like object in the galaxy core

Which statement best describes a solid?

Race car drivers must slow down as they make turns on the track. This is best explained by the law of inertia. Which statement best describes inertia for the car going around a turn? A) A body in motion stays in motion at the same speed.

What is is the ratio of the distance over which the force is applied to the distance over which the load is moved

What factor can increase the potential energy of an object? A Decrease in speed B Decrease in density C Increase in temperature D Increase in height from the ground?

Microwave ovens emit microwave energy with a wavelength of 12.3 cm. What is the energy of exactly one photon of this microwave radiation?