Atennis ball, a bowling ball, and a feather are dropped from the top of a tall building at the same time. consider what you have learned about air resistance. which object reaches the ground first?

To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a “constant” is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .

Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence

The dominant wavelength of energy emitted by the sun is