Aheavy boy and a lightweight girl are balanced on a massless seesaw. if they both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw? assume that both people are small enough compared to the length of the seesaw to be thought of as point masses. g

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

Adielectric-filled parallel-plate capacitor has plate area a = 30.0 cm2 , plate separation d = 9.00 mm and dielectric constant k = 3.00. the capacitor is connected to a battery that creates a constant voltage v = 15.0 v . throughout the problem, use ϵ0 = 8.85x10-12 c2/n.m2 . find the energy u1 of the dielectric-filled capacitor.