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SAT Physics 1

Question 1:

What is the magnitude of the vector 3A - B in the figure above?

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?

Question 3:

Forces F1 and F2 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?

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?

Question 5:
When a car's kinetic energy increases 9 times, what happens with its speed?

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?

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?