It is weigh-in time for the local under 85 kg rugby team. The bathroom scale that is used to assess eligibility can be described by Hooke's law, which is depressed 0.77 cm for its maximum load of 119 kg. What is the scale's effective spring constant k?

What happens to light waves from a star as the star moves away from earth?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.