If you are given values for, Ay, and At, which kinematic equation could be used to find ūo ? Δα = ο Δt + φά(Δt)?

Ο υ = ύο + άΔί

Ο 2 2 + 2xΔα

Ο Δα = (5) Δε

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?