A car starts from rest and after 7 seconds it is moving at 42 m/s. What is the car's average acceleration? A. 0.17 m/s2 B. 1.67 m/s2 C. 6 m/s2 D. 7 m/s2 E. none of the above

A 10.0 kg mass is placed on a frictionless, horizontal surface. The mass is connected to the end of a horizontal compressed spring which has a spring constant 339 N/m. When the spring is released, the mass has an initial, positive acceleration of 10.

Modern human lifestyle depends on fossil fuels to generate electricity. Predict and explain the long term effect on the environment of obtaining and using fossil fuels.

A boat is towing two skiers at the same time. how long should the tow lines be?

Select the correct answer, This table shows data collected by a weather station. If these trends continue, what weather can you predict for the region for the upcoming week?

Janet was very orderly around her apartment. Everything in her apartment was always very neat and clean. At a public park, Janet took some trash out of her car and threw it toward a trash container. Some of it fell on the ground.

What is 1/3 of 300

What geologic features might form at the surface of plate A?

Is it true that mollusks that live in water have lungs

Which is a true statement about waves? A They always travel in every direction at the same time. B. They travel at different speeds through different materials. c. They cannot travel through liquids or solids. D.

What is s the best description of the constructive interference of light? A. two waves have the same direction of displacement. B. two waves have displacement in opposite directions. C. a longitudinal wave meets a transverse light wave D.