Look at the graph above. Given that speed = distance / time, calculate the speed
of the object. Show your work in the space below.
Question 13
13.
Question 14
14.
What is acceleration? Type a definition for this term in your own words.
Question 15
15.
What is the formula for acceleration? Make sure your answer includes a key
explaining what a, vf, vi, and t stand for.
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
Question 20
20.
What is the formula for momentum? Be sure to include a key showing what p, m,
and v stand for.
Question 21
21.
Question 22
22.
Question 23
23.
Question 24
24.
Question 25
25.
Write the formula for calculating momentum.
Question 26
26.
What is the momentum of an adult female fly with a mass of 0.12 kg traveling at a velocity of 1.5 m/s? Don't forget your units - kg m/s.
Question 27
27.
Convert 30 km/h to m/s. (Round to 2 decimal places)
Question 28
28.
What is the momentum of an adult female that is 75 kg riding a 5 kg bicycle travelling at a velocity of 30 km/h. (Round to 1 decimal)
Question 29
29.
What is the momentum of a compact car that is 750 kg and is travelling 30 m/s?
Question 30
30.
What is the momentum of a transport truck that is 2500 kg and is travelling at 15 m/s (50 km/h)?
Question 31
31.
What is the momentum of a transport truck that is 3000 kg and travelling at 110 km/h? (Round to the nearest whole number.)
Question 32
32.
Give an example of an object with very low momentum.
Question 33
33.
Give an example of an object with high momentum.
Question 34
34.
When might it be harder to stop a vehicle moving at 30 km/h than one moving at 60 km/h?
Question 35
35.
Question 36
36.
If the velocity of an object is doubled, what happens to the momentum?
Question 37
37.
If the mass of an object is doubled, what happens to the momentum?
Question 38
38.
Question 39
39.
Question 40
40.
Question 41
41.
Define Hooke’s law
Question 1
1.
Granny's momentum
Question 2
2.
Ambrose's Momentum
Question 3
3.
Total momentum is
Question 4
4.
Question 5
5.
Question 6
6.
c.
Question 7
7.
d.
Question 8
8.
e.
Which best describes average speed?
A: The rate at which an object is traveling at a given time.
B: The rate at which an object travels over a period of time.
C: A change in the motion of an object.
D: A distance between two objects over time.
Look at the distance-time graph above. What is the total distance traveled?
A: 100 cm
B: 5 cm
C: 3 cm
D: 50 cm
Refer to the graph above again. Over what period of time does the motion occur?
A: 5 s
B: 100 s
C: 20 s
D: 3 s
A kayaker paddles along a river for four hours. In that time, she manages to
move a total of 20 miles. What is the average speed of the kayak for this trip?
A: 20 mph
B: 4 mph
C: 5 mph
D: 16 mph
A ball begins rolling down a hill. After 5 seconds, its velocity is 10 meters
per second. What is the acceleration of the ball? See page 346 in your book for
help!
A: 5 m/s/s
B: 10 m/s/s
C: 15 m/s/s
D: 2 m/s/s
A vehicle brakes from 30mph to 5 mph over a period of 10 seconds. What is the
vehicles acceleration?
A: There is no acceleration, it is slowing down!
B: 2.5 m/s/s
C: -2.5 m/s/s
D: 150 m/s/s
Over which time period does positive acceleration occur?
A: 3-5 s
B: 1-3 s
C: 5-6 s
D: 6-10 s
Over which time period does negative acceleration occur?
A: 0-1s
B: 3-5s
C: 5-6s
D: 6-10s
Which has the most momentum?
A: A 1 g object at 100 m/s
B: A 100 g object at 1 m/s
C: Both have the same momentum
D: Neither has any momentum.
Which has the most momentum?
A: 50 kg object at 5 m/s
B: 100 kg object at 10 m/s
C: 150 g object at 5 m/s
D: 200 kg object at 2 m/s
What is momentum?
A A push or pull on an object.
B The velocity an object moves.
C A measure of an object's motion and the likelihood that it will remain in motion.
D The heaviness of an object and the direction in which the object is moving.
What is the unit for momentum?
A kg m/s
B newtons
C m/s
D kg
The best way to counteract momentum is by _____________________.
A friction.
B braking.
C accelerating.
D jumping.
As the mass increases, the amount the spring stretches…
decreases
increases
stays the same
When we stretch a spring, the force acting through it is…
gravitational force
elastic force
tension
The amount the spring stretches is _________ to the mass attached.
