Physics 20 Practice Final Exam Questions

Quiz
•
Physics
•
11th Grade
•
Medium
Kyle Haley
Used 2+ times
FREE Resource
13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Using the provided incline plane & pulley system; What is a possible maximum value of the hanging mass (m2) if the system is at equilibrium and we treat this as a isolated system by ignoring any kinetic friction.
8.19kg
5.74kg
3.50kg
2.50kg
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The hanging mass (m2) is then changed for a different mass of 15.0kg. Now account for the kinetic fiction of the incline, and calculate the value of system's acceleration.
2.09m/s2
2.35m/s2
3.92m/s2
5.87m/s2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acceleration is defined as the:
rate of change of position
rate of change of speed
rate of change of velocity
rate of change of distance
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A domestic plane is travelling from City A to City B due North 500km. There is a wind that blows at 45.0km/h at 27.0o East of North. The plane can travel at 150km/h in is still air.
What is the direction the pilot should adjust his heading to end up in City B.
7.82 degrees North of West
7.82 degrees West of North
82.18 degrees West of North
Due North
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which vector diagram correctly shows the change in velocity Δv of the mass?
6.
OPEN ENDED QUESTION
3 mins • 2 pts
In the diagram provided, a marble (small glass sphere) rolls down a frictionless track, the bottom part of which has been bent into a loop. The end A of the track, from which the marble is released, is at a height of 0.80 m above the ground. Point B is the lowest point and point C the highest point of the loop. The diameter of the loop is 0.35 m. The mass of the marble is 0.050 kg. Friction forces and any gain in kinetic energy due to the rotation of the marble can be ignored. Consider the marble when it is at point B and C.
Which position has the greatest speed and then where is the greatest normal force experienced by the marble?
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7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
When different weights are hung on a spring, the spring stretches to different lengths. The results are shown in the following ;
Fg (N) 2.0 4.0 6.0 8.0 10 12 14 16 18
L (mm) 15 32 49 64 79 98 112 126 149
If the spring is extended to 105mm, determine the force the spring exerts on the suspended weight. __._N (please record your 3 digit answer including decimal point)
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