How must the height of A relate to the height of B for the skateboarder to have just enough energy to complete the loop? a) A can be shorter than B

b) A must at least be the same height as B

c) The skateboarder will never complete the loop

d) A must always be taller than B

Identify the amplitude on the diagram and give the correct description. question 3 options: a because amplitude is the distance from wave crest to wave crest. b because the wavelength shows amplitude. c because amplitude is the distance between a crest (or trough) and rest. d because wavelength show amplitude. (brainiest if you get it right! ) ~kayla

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery