Explain how the mass of your race car will affect its performance in reference to Newtons 2nd law of motion. Use the terms force, mass, and acceleration. I NEED HELP ASAP!!!

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.

Explain what will happen if decomposers were apsent from a forest ecoysystem.