test-unit 6 motion Flashcards
1
Q
- The horses on a carousel are celebrating because…
A
the direction of the horse’s motion is constantly changing.
U6 C2 Notes
p.11
2
Q
- At what point is the rate of change of velocity the greatest?
A
A.
U2 C2 Notes
pg.12
3
Q
- The graph at the right represents the motion of a car. According to the graph, as time increases, the speed of the car…
A
stays the same
U6 C1 notes
p.5
4
Q
29.
Describe the motion of a biker at A on graph 1.
A
On part A, he is at a constant speed.
U6 C1 pg. 5
5
Q
- A man is riding his 4 wheeler at 60 km/hr. If he is riding it constantly at this rate for 1.5 hours, how far did he ride.
A
(60)(1.5)=90
5
Q
- A boat is traveling at 43.2 km/hr. It then goes down a faster part of the river and is now going 144 km/hr which gave the boat an acceleration of 25.2 km/hr2. How long did it take the boat to reach its new speed?
A
you need to manipulate the formula to t= vf-vi divided by a. then you substitute and solve to get 4 hrs. (in notability)
U6 C2 notes
pg. 12
7
Q
- A competitive go-cart driver is traveling 32 m/s. He sees a caution flag go up, so he slows at a rate of -1.5 m/s squared in 10.8 s, what is his final velocity?
A
(-1.5)(10.8) + 32 -16.2 + 32 15.8 m/s forwards U6 C1 notes pg.4
