Assignment:
Question 1. If the acceleration vector of an object is in opposite direction as the velocity vector, then:
a. the object is moving in the negative x-direction
b. speeding up
c. slowing down
d. turning
e. at rest
Question 2. A ball thrown horizontally from a point 24m above ground strikes the ground after traveling horizontally a distance of 18 m. with what speed was it thrown?
a. 7.40 m/s
b. 6.10
c. 8.96
d. 8.22
e. 3g
Question 3. A 1.6 kg fish is weighed with two spring scales, each of negligible weight. what will be the readings on the scales?
a. the bottom cale will read 16 N and top scale will read 0.
b. each scale will show a reading of 8 N
c. the top scale will read 16 N and bottom scal will be 0
d. each scale will show a reading of 16N