A cyclist rode at an average speed of 20 mph for 15 miles. How long was the ride?

Which element combines chemically with sodium to from ordinary table salt

The time between a lightning flash and the following thunderclap may be used to estimate, in kilometers, how far away a storm is. How far away is a storm if 6 seconds elapse between the lightning and the thunderclap?

John pushes his brother Danny on a skateboard. John applies a force of 29 N and Danny's acceleration is 0.4 m/s

Which of the following is not a subatomic particle? Question 2 options: A. proton B. neutron C. electron D. nucleus

Because TVs require more voltage than is found in normal household current, what is built into them? A Induction batteries B step-up transformers C step-down transformers D secondary generators

Protons and neutrons strongly attract when they

How far is Jupiter from the sun?

Steam moves into a cylinder of a steam engine at a constant pressure and does 2.34 J of work on a piston. The diameter of the piston is 3.4 cm and the piston travels 4.6cm. What is the pressure of the steam?

Identify each type of simple machine.

A car's speedometer reads 20 m/s after accelerating, from a standing start, for 25s. What was the magnitude of its acceleration?