If the frequency of an fm wave is 8.85 × 10¥ hertz, what is the period of the fm wave?

a. 2.58x10^-8 seconds
b. 1.10 x10^-8
c. 1.25x10^-1
d.5.82x10^7

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.