What is the direction of the magnetic force on a positive charge if: 1. V= downward; B= out of the page

2. V=upward; B=right

3. V=right; B=into the page

4. V=into the page; B=upward

5. V=out of the page; B=left

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 cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?