Give two disadvantage of hydroelectric power

Describe three societal needs that drive scientific endeavor and give an example of a scientific endeavor associated with each.

Natalia is studying a wave produced in her magnetics lab. This wave can move through the empty space in a vacuum and carries a lot of energy.

He cans have essentially the same size, shape, and mass. which can has more energy at the bottom of the ramp? ignore friction and air resistance. the cans have essentially the same size, shape, and mass.

Which of the following situations does NOT describe a force? Question 2 options: A) A baseball hits a bat. B) An astronaut floats in space. C) A tow truck pulls a car.

If 270 watts of power is used in 42 seconds, how much work is done? (Unit is joules (J), just type the number. Use commas if necessary).

Life cycle of a medium mass star

Use the periodic table to complete this equation that represents the process of nuclear fusion. Superscript 14 Subscript 7 Baseline N + Superscript 1 Subscript 1 Baseline H yields Superscript A Subscript B Baseline C

Josh rolled a bowling ball down a lane in 2.5 seconds. The ball travelled at a constant acceleration of 1.8 m/s/s down the lane and was traveling at a speed of 7.6 m/s by the time it reached the pins at the end of the lane.

How many meters of the rock wall eroded between 1910 and 1927?

As air temperatures increase, evaporation increases. Warmer temperatures also increase the capacity to absorb water vapor. More water vapor in the atmosphere accelerates the greenhouse effect.