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WorksheetsSci 9 Sem 2-2 SG
Total questions: 138
Worksheet time: 4hrs 49mins
What happened during C to D point?
not moving
increasing speed at a constant rate
moving at a constant speed
moving at 0 m/s2 acceleration
A, B, and D
which part of the line shows the constant speed?
C to D
two of these answers
E to F
A to B
A correct measure of velocity would be
300 m/hr
7,800 m/sec
40 kn/hr north
What is happening at segment E?
acceleration
deceleration
constant speed
no motion/object at rest
What is happening at segment A?
acceleration
deceleration
constant speed
no motion/object at rest
What is happening at segment B?
acceleration
deceleration
constant speed
no motion/object at rest
While driving at an average velocity of 15.6 m/s down the road, a driver slams on the brakes to avoid hitting a squirrel. The car stops completely in 4.2 seconds. What is the average acceleration of the car?
3.7 m/s/s
-3.7 m/s2
65.5 m/s
-65.5 m/s/s
A plane lands on the runway and slows from 758 km/hr to 30 km/hr in 0.013 hours. What is the plane's acceleration in m/s2?
******Notice labels at the beginning are different than the answers! Must convert first.
56,000 m/s2
17857 m/s2
-17857 m/s2
-56,000 m/s2
What is the final velocity of a rocket that travels for 4 seconds, has an initial velocity of 12 km/s and an acceleration of 2 km/s2?
-4 km/s
10 km/s
20 km/s
-10 km/s
What is occurring on this graph?
Negative acceleration
moving at a constant speed in the positive direction
positive acceleration
negative net force
Deb walked to the ice cream shop. Sat and ate her ice cream and then went for a run.
Which graph matches this motion?
Match the description to the graph:
"The car is stopped."
Match the description to the graph:
"The car is coming back."
A golf ball has a mass of 0.046 kg. It is dropped and has 1.1 J of gravitational potential energy (gravity = 9.8 m/s2). What height was it dropped from?
2.4 meters
234 meters
0.41 meters
There isn't enough information to determine the height.
Which of the following has the greatest amount of gravitational potential energy (gravity = 9.8 m/s2)?
A 20 kg projector suspended 10 m in the air
A 100 kg wrecking ball suspended 10 m in the air
A 5 kg basketball suspended 10 m in the air
They all have the same GPE because they are all 10 m in the air
A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. What is the KE of the car?
22,400 J
44,800 J
896,000 J
1,792,000 J
What is the mass of a ball has a kinetic energy of 450 J, what must it mass be if it is traveling through the air at 30 m/s?
0.25 kg
15 kg
1 kg
0.50 kg
A golf pro swings his driver with a mass of 0.75 kg at a velocity of 60 m/s. What is the kinetic energy of the club?
22.5 J
It doesn't have kinetic energy-it has potential energy.
2,700 J
1,350 J
At which point is potential energy greatest?
W
X
Y
Z
Where would this tossed baseball have the greatest amount of kinetic energy?
point W
point X
point y
point z
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
10 m/s
1000 m/s
100 seconds
10 seconds
Jerry walked from home to school, then from the school to the park. What is his total displacement?
2 km
5 km
8 km
10 km
Jerry walked from home to school, then from the school to the park. What is his total distance?
2 km
5 km
8 km
10 km
A cat walks 3 meters toward a laser, then jumps 5 meters due south of the laser when it sees a thing. What is the displacement of the cat (to the nearest tenth)?
3.0m
5.0m
8.0m
5.8m
Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
800 meters
400 meters East
0 meters
200 meters SW
Jerry walked from home to school, then from the school to the park. What is his total distance?
2 km
5 km
8 km
10 km
Jerry walked from home to school, then from the school to the park. What is his total displacement?
2 km E
5 km E
8 km N
10 km NE
Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?
10 miles
7 miles
8 miles
6 miles
From the figure, what is the displacement?
20 meters
25 meters
15 meters
25 meters NE
The change and direction in an objects position from the final position to initial position.
displacement
distance
motion
reference point
An object is __________ when its distance from a reference point is changing.
in motion
speeding
not moving
at rest
________ can be calculated if you know the distance an object traveled and the unit of time. (distance ÷ time)
Speed
Motion
Opportunity
Velocity
What does the solid line on this graph represent?
Constant speed
Acceleration
At rest
deceleration
What is the line on this graph showing?
moving away from starting point at a constant speed
moving back towards the starting point at a constant speed
acceleration (getting faster)
deceleration (getting slower)
What is this line of this graph showing?
moving away from starting point at a constant speed
moving back towards the starting point at a constant speed
acceleration (getting faster)
deceleration (getting slower)
The graph represents the motion of a car over 10 seconds. What is the average speed of the car during the first 4 seconds? (Hint: distance 10 meters and time 4 seconds)
.4 m/s
2.5 m/s
10 m/s
40 m/s
What is occurring from point A to point B?
What was occurring from point B to point C?
