An ideal machine has an efficiency of 100%

Scientific inquiry is best defined ... as a fixed process that follows the steps of question, hypothesis, investigation, gathering evidence, and communicating results. any process used to ask and answer questions about the natural world.

1. On a hot summer day in the state of Washington while kayaking, I saw several swimmers jump from a railroad bridge into the Snohomish River below. The swimmers stepped off the bridge, and they hit the water 1.59 s later. How high was the bridge? 2.

Can an electron with a de broglie wavelength of 2µm pass through a slit that is 1µm wide

What is the difference between nuclear energy and light energy?

Which is an example of a wheel and axle? a hammer a pencil a car steering wheel a lid on a jar

1. How fast must a truck travel to stay beneath an airplane that is moving 105 km/h at an angle of 25° to the ground?

Is a chipmunk a producer

A (n) __is a push or a pull. force motion velocity acceleration

A 2000 kg truck is at rest at a stop sign. A 1100kg car collides head-on with the truck. The car was moving at 15.0m/s before the collision if the collision was completely inelastic, what is the velocity of the car and the truck after the collision?

The muscles of a runner transform chemical potential energy into what?