Coal is considered to be a non-renewable energy source. Which of the following statements is correct? a. Coal is a scarce resource. b. Coal is an unlimited resource. c. Coal is a non-scarce resource. d. Coal is not a resource.

what would you expect to happen to the acceleration if all friction were removed from the ramp, making the net force even higher than 600n

What is a common way to correct nearsightedness?

Write 806,000,000 in scientific notation. a. 8.06 x 108 b. 8.06 x 107 c. 8.06 x 1010 d. 8.06 x 109

If the brake light comes on as you are driving you should A slow down and drive the vehicle home B have the brake systems inspected immediately and repaired as needed C shut off the warning light D ignore it the first time it happens

Type the correct answer in the box. Round your answer to the nearest tenth. Dina has a mass of 50 kilograms and is waiting at the top of a ski slope that's 5.0 meters high.

As an astronaut travels towards Earth, her weight A. decreases because gravity decreases. B. decreases because her mass decreases. C. increases because gravity increases. D. remains the same because her mass remains the same.

Lightning often strikes water. a. True b. False

How much work must be done on a 10 kg snowboard to increase its speed from 4 m/s to 6 m/s?

If a spacecraft that seems to be motionless in deep space is given some type of quick push, what will happen? A. The spacecraft will not move because it only works on earth. B.

A fast, white water cascade is also known as what?