(b) Angelique repeats the investigation with rods made of different metals. The pins fall after different amounts of time.
Why do the pins fall after different amounts of time?

Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f

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

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.