Predict how the initial brightness of bulb D compares to the initial brightness of bulb E. Explain. Predict how the initial brightness of bulb D compares to the initial brightness of bulbs A, B, and C above. Explain. Predict how the final charge on the capacitor compares to the final charge on the capacitor from part A. Explain.

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.

What kind of waves require a medium to travel? question 6 options: light waves mechanical waves all waves need a medium to travel electromagnetic waves