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Physics Final Quiz 1
Test Description: This quiz grade will help you review many topics covered over the school year in order to prepare you for your final exam.
Instructions: Answer all questions to get your test result.
1) What is the most accurate measurement of the red line?
A
6 cm
B
5 cm
C
5.5 cm
D
5.7 cm
2) Vector A is directed northward and vector B is directed eastward. Which of the following diagrams best represent the addition of vectors A and B and the subsequent resultant?
A
C
B
D
C
E
D
B
3) A man is installing a rotating satellite dish. He drops the ball needed to rotate the dish from off his roof. The ball took 8s to hit the ground. How far did it fall? y=(gt^2)/2
A
314 m
B
78 m
C
1.2 m
D
157 m
4) A crazy teenager is going 30m/s west but decides to race her friend and speeds up to 70m/s west for 300m. What is her acceleration? Vf^2=Vo^2+2ad
A
0.13 m/s^2
B
7 m/s^2
C
21,000 m/s^2
D
4 m/s^2
5) Pictured is the graph of the motion of a motorbike. What is the acceleration of the motorbike?
A
4 m/s^2
B
.25 m/s^2
C
1 m/s^s
D
10 m/s^2
6) An applied force of 50 N is used to accelerate an 8.16 kg object to the right across a frictional surface. The object encounters 10 N of friction. What is the acceleration?
A
.61 m/s^2
B
4.9 m/s^2
C
7.35 m/s^2
D
4080 m/s^2
7) A 20 kg skier is at the top of a frozen cliff holding on to his 50 kg friend who fell over the edge of the cliff. What is their acceleration?
A
7 m/s^2
B
294 m/s^2
C
686 m/s^2
D
4.2 m/s^2
8) Which statement about the Law of Conservation of Energy is true?
A
When an object slides down a plane, some gravitational potential energy is lost as thermal energy.
B
When an object slides down a plane, its gravitational potential energy is increased.
C
When an object slides down a plane, its gravitational potential energy is unchanged.
D
When an object slides down a plane, its gravitational potential energy is destroyed.
9) A 0.22 kg football is moving down the field with a velocity of 20 m/s, is tipped and speeds up to 30 m/s. At what force was the ball tipped? Contact time was 1.5 seconds.
A
.15 N
B
1.65 N
C
1.5 N
D
.0165 N
10) Megamind drops spiderman from a building at the same time he shots superman horizontally from a cannon. Who will hit the ground first? (Both heros have temporarily lost all powers)
A
Megamind will it the ground first.
B
Spiderman will hit the ground first.
C
Superman will hit the fround first.
D
The superheros will hit the ground at the same time.
*select an answer for all questions
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