Astudent pushed a box 32.0 m across a smooth, horizontal floor using a constant force of 124 n. if the force was applied for 8.00 s, how much power was developed, to the nearest watt?

Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.

Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?