A ball X of mals 1 kg travelling at 2 m/s has a head-on collision with an identical ball Y at rest.
X stops and Y moves off. What is Y's velocity?

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus