3. Study 1 differed from Study 2 in which of the follow- ing ways?
A. Female fruit Mies were tested in Study I, whereas
male fruit Mies were tested in Study 2.
B. Male fruit flies were tested in Study 1. whereas
ſemale fruit flies were tested in Study 2.
C. The SY medium tested in Study I contained a
lower percent of sugar than did the SY medium
tested in Study 2.
D. The SY medium tested in Study I contained a
higher percent of sugar than did the SY medium
tested in Study 2.

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.