Car a
mass: 1,500 kg
velocity: 10 m/s
car b
mass: 1,500 kg
velocity: 25 m/s
car c
mass: 1,000 kg
velocity: 10 m/s
which order shows decreasing momentum?
~a, b, c
~b, a, c
~c, b, a

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

Could we see a galaxy that is 20 billion light-years away?