A student redid the experiment of mixing room temperature water and warm water. This time, she used half the original amount of warm water. How will
the final temperature be different?
A. It will be lower, because the amount of water in the mixture will be
less.
B. It will be higher, because all parts of the mixture will end up at the
same temperature.
C. It will be the same, because all parts of the mixture will end up at
the same temperature.
D. It will be lower, because less thermal energy is transferred to the
room-temperature water.

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply