A13.4-mh inductor carries a current i = sin ωt, with = 4.80 a and f = ω/2π = 60.0hz. what is the self-induced emf as a function of time? (express your answer in terms of t where e m f is in volts and t is in seconds. do not include units in your expression.)

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

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)