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SAT Physics 1
Question 1:
What is the magnitude of the vector 3A - B in the figure above?
3
4
5
2
6
Question 2:
The graph above shows the acceleration of a particle. At t = 0s, the speed of the particle is 1m/s. What is the speed of the particle at t = 4s?
11 m/s
9 m/s
19 m/s
13 m/s
10 m/s
Question 3:
Forces F
_{1}
and F
_{2}
in the figure above act on a block of mass m = 10kg that moves on a frictionless surface. What is the acceleration of the block?
1 m/s
1.5 m/s
2 m/s
2.5 m/s
3 m/s
Question 4:
A block of mass m is moving down an inclined plane with a decreasing speed. The coefficient of friction between the block and the plane is μ. Which of the following statements is true?
sin(α) < μ
sin(α) > μ
cos(α) < μ
cos(α) > μ
tan(α) < μ
Question 5:
When a car's kinetic energy increases 9 times, what happens with its speed?
increases 9 times
increases 3 times
decreases 9 times
decreases 3 times
remains constant
Question 6:
An object of mass 4kg is attached to a spring. The equilibrium position of the object is .4m from the point where the spring exerts no force on the object. What is the spring constant, k?
10 N/m
80 N/m
100 N/m
150 N/m
200 N/m
Question 7:
An object of mass 10kg sitting on a frictionless horizontal plane is moved from a stationary state by the force shown above. What is the velocity of the object at time t = 5s?
2.5 m/s
3 m/s
4 m/s
5 m/s
6 m/s