Need this answered in middle of test rn plz barry is conducting an experiment and rolls a tennis ball down a ramp. which best describes the motion of the tennis ball? a)it does not exhibit projectile motion and follows a straight path down the ramp. b)it does not exhibit projectile motion and follows a parabolic path down the ramp. c)it exhibits projectile motion and follows a straight path down the ramp. d)it exhibits projectile motion and follows a parabolic path down the ramp.

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted