Which of the following is a way humans have impacted the rainforest, but not the tundra?

What is the acceleration of a 1200 kg car acted on by a net force of 250n?

Which has more momentum? 0.064-kilogram golf ball with a speed of 60.0 meters per second, or a 7.0-kilogram bowling ball with a speed of 6.0 meters per second.

Which of the following is a vector quantity? A. The volume of a liquid B. The weight of a physics book C. The displacement of walking around a running track D. Both B and C

A tennis racket hits a tennis ball with a force of F=at-bt2, where a = 1200 N/ms, b = 370 N/ms2, and t is the time (in milliseconds). The ball is in contact with the racket for 2.70 ms. If the tennis ball has a mass of 64.

If you do not receive enough calories, which occurs? 1. Gain weight 2. Too much sugar 3. Impaired metabolic processes 4. Maintain weight

A force of 825 N is needed to push a car across a parking lot. Two students push a car 35 m. How much total work is done?

Which threats are characterized by possibly long periods of preparation (years is not uncommon), tremendous financial backing, a large and organized group of attackers, and attempts to subvert insiders or to plant individuals inside a potential

Which of the following is derived unit? A: g (grams, mass) B: m (meters, length) C: s (seconds, time) D: m2 (square meters, area)

A student measured the mass of a rock to be 19.8 grams; the actual mass was 18.6 grams. What was the student's percent deviation?

The height of the Washington Monument is measured to be 170 m on a day when the temperature is 35.0ºC. What will its height be on a day when the temperature falls to - 10.