A 300 gram hot wheels car is launched by a rubber band to reach a speed of 10 m/s. If the rubber band is stretched 10 centimeters, what is the spring constant of the rubber band?

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.