If potential energy at point a is 12 joules, what is the potential energy at d? a=20cm, b=15cm, c=10cm, d=5cm, e=0cm

Suppose you use a machine that gives you a mechanical advantage of 2 to achieve an output force of 30newtons what must the input force be

What happens to the light rays when they hit the specimen?

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents