The speeds of a car travelling on a straight road are given below at successive intervals of
1 second.
Time/s 0 1 2 3 4
Speed/m/s 0 2 4 6 8
Calculate
a the average speed of the car in m/s [2]
b the distance the car travels in 4 s [3]
c the constant acceleration of the car. [2

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.

Calculate 9 ∙ 10-5 divided by 3 ∙ 10-9. (box after the "10" in answer is for the