A car, initially at rest, travels 20 m in 4 s along a straight line with constant acceleration. the acceleration of the car is:

What is the ratio of carbon atoms to oxygen atoms in the compound with the chemical formula CO2?

What is a quantity with only magnithde (no direction). e. g. 5 meters?

How can you magnetize a steel nail? Explain why this works.

A temperature change in a reaction indicates a physical change. a. True b. False

Refer to the illustration above. The diagram, which shows how energy moves through an ecosystem, is known as a a. habitat. c. food net. b. food chain. d. food web.

If a bicyclist has a mass of 70 KG and a velocity of 25M/S, what is the momentum of the bicyclist?

How much force is required to pull a spring 3.0 cm from its equilibrium position if the spring constant is 3.7 x 103 n/m?

When did our Solar System begin to form? When did our Solar System begin to form? 5 million years ago 5000 years ago 5 trillion years ago 5 billion years ago

Which describes how radiation moves? radiation moves from a cooler object to a warmer object radiation moves from a warmer object to a cooler object radiation moves from a warm object to an object of the same temperature radiation moves from a cool

Why does the closed top of a convertible bulge when the car is riding along a highway? Why does the closed top of a convertible bulge when the car is riding along a highway? The air pressure is greater outside the car than inside.