1000 kg has 50, 000 joules of kinetic energy. what is it's speed?

Suppose that a wave travels at 6 meters per second. if the frequency is 3 waves per second, what is the wavelength of the wave?

Definition of freezing

Jayden was given a marshmallow and a syringe in class to experiment with. She placed the marshmallow in the syringe and sealed the end. When she depressed the plunger of the syringe what happened to the marshmallow and why?

The energy of an mechanical wave is related to its amplitude. True False

What does a force acting on an object do to that object'; s motion?

A motorist driving at 25 meters/second decelerates to 15 meters/second. The combined mass of the vehicle and the driver is 1.5 * 10³ kilograms. What is the amount of mechanical work done by the vehicle?

All forces are different each exerts a particular type of effect on an object

Witch statement about polymers is true

Two bullets have masses of 3,0 g and 6.0g, respectively. both are fired with a speed of 40.0 m/s. Which bullet has more kinetic energy? What is the ratio of their kinetic energies

What does it mean that a form of energy might take more energy to harness than it provides? Are renewable resources always renewable, or can they become non-renewable? Why aren't renewable resources used for everything that we use energy for?