What do you think your weight would be if you were floating in space a long way from any planets? Explain your answer.
A horizontal force of 200N is applied to a 55kg cart across a 10m level surface. If the cart accelerates at 2.0m/s^2, then what is the work done by the force of friction as it slows the motion of the cart?
A 1200kg car moving at 25m/s has the brakes applied with a deceeration of 8.0m/s^2. How far does the car travel before it stops?
If you shine red light at a green plant and green light at a green plant, knowing that a plant must absorb light to grow, which plant will grow faster?
Which does NOT represent one of Koch’s postulates?: isolate germs from an infected animal ,grow germs in a lab culture, inject germs into a healthy animal ,watch to determine how long it takes for the healthy animal to become ill
11. A depression in the ground due to a cave collapse or acidic water dissolution of limestone is called a A. sinkhole. B. stalagmite. C. stalactite. D. cave.
What is the loose covering of weathered rock particles and decaying organic matter overlying the bedrock of earths surface
A stubborn 150 kg pig sits down and refuses to move. To drag the pig to the barn, the exasperated farmer ties a rope around the pig and pulls with his maximum force of 800 N. The coefficients of friction between the pig and the ground are μs=0.80 and μk=0.50.
A person runs off a cliff into a lake below. If the person leaves the cliff without a horizontal velocity of 4m/s, how far way from the cliff does he land is the cliff is 17m high?
how do balanced forces acting on a object affect its motion? how do unbalanced forces acting on an object affect its motion?
