Both elephant and feather weigh the same amount, yet the greater mass of
the feather leads to a smaller acceleration.
O
True
O False

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire