(PLEASE answer ASAP, Will give brainliest) Coasting along at 7.8m/s, a 60.0kg bicyclist on a 7.00kg bicycle encounters a small hill. If the she coasts uphill until coming to a stop, how high up the hill did she travel? (b) What height would the bike reach if she had gone to the store and had 5.50kg of groceries before coasting up the hill?
Please show your work.

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.

Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.

Heterogeneous mixture with larger particles that never settle is