Which scientist called what he observed cells

A car accelerated at a rate of 3ft/s^2 for 2 seconds. at the end of this time period the velocity of the car was 55ft/s what was the car's velocity before it started to accelerate?

If a car travels 60 mi. north for one-half hour, 100 mi. west for one hour, and 60 mi. south for 30 minutes, what is the total displacement of the car? 100 220 0 Is The direction N, S, E, W, or N/A

Takes heat from a house and transfers it outside through coolant pipes

Which of the following is a method used to prevent soil erosion? Select one: a. Tilling the soil b. Contour farming c. Adding fertilizers to soil d. Adding worms to soil

How are work and power related?

Why did the chicken cross the road.

A 98.1 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.69 rad/s. A monkey drops a 9.29 kg bunch of bananas vertically onto the platform.

7. A type of non-renewable energy would be: O wind O petroleum O water solar

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.