A current given by I(t)=4t4, where I is in amps when t is in seconds, passes through a 2-Ω resistor. How much charge passes through the resistor between t=3 s and t=5 s?

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

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?