Which example has only potential energy and no kinetic energy?

Select one:

a. a roller coaster zooming down a hill

b. a child riding their bike

c. a bird flying from a tree

d. a ball sitting on a shelf

Which of the following statements is accurate? Question 2 options: A) The wavelength of both transverse and longitudinal waves is measured parallel to the direction of the travel of the wave.

Do all types of waves need a medium to travel through

6. If your were an astronaut doing a spacewalk outside the space shuttle orbiting the Earth, would you be: mass-less? Yes or No weight-less? Yes or No inertia-less? Yes or No

Ice tells scientists when global warming has occurred is like a book

Two nuclear reactors provide 3200 mw of power. if the transmission system loses 5.1% of the energy produced, how much power from these two reactors would customers receive?

Which actions are evidence that a chemical reaction has occurred? Check all that apply. A: a change in color B: the formation of a precipitate C: a clear liquid becoming cloudy D: a change in shape E: the formation of bubbles F: the formation of

Which sphere forms Earth's outermost layer? Atmosphere Biosphere Cryosphere Hydrosphere

an 100kg object traveling at 50m/s collides (perfectly inelastic) with a 50kg object initially at rest. what is the sum of the momentum of both objects prior to the collision?

A train moves at constant velocity of 50km/h. how far will it move in 0.5h?

Which process best describes part of a scientific investigation? O designing a solution O evaluating the conclusion O evaluating the solution O identifying the conclusion