When jennifer is out for a ride ,she slows down on her bike as she approaches a group of hikers on a trail. explan how her acceleration can be positive even though her speed is decreasing.

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

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.

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?