2. Describe what is meant by “a constant change of direction". Identify whether the examples provided
show a constant change of direction when moving. (S8P3a)

a. A merry-go-round spinning in circles.

b. A wind vane swinging around.

c. A kid walking on a straight path.

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

float.

archimedes' principle

denser than water sinks in water.

denser than mercury would sink in it

80cm/s.

24cm/s.

53.3cm/s.