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1.Refer to the graph and answer the following questions:
· When does the object have a positive acceleration?
· When does the object have a negative acceleration?
· Graph the position and acceleration curves. Assume the object starts at so = 0 m
2. A frictionless cart with a person in it is released from rest at the top of an inclined plane. The plane is inclined 30o. Find the distance the cart travels in 3 seconds. Show the graph for position, velocity and acceleration.
3. Consider the same scenario as question 2. After 5 seconds have passed, a safety mechanism is activated by the person in the cart. This mechanism slows down the cart until a complete stop. The brakes on the cart provide a deceleration of 6.9?? when ??2 the cart is not on an inclined surface. Calculate the necessary distance for the cart to come to a complete stop and the total distance the cart traveled. Show the graph from the moment the cart was released until it came to a complete stop.
A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
What is the maximum displacement of the bridge deck?
What is the magnitude of the current in the wire as a function of time?
Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
Illustrate the cause of the components accelerating from rest down the conveyor.
Calculate the dc voltage applied to the circuit.
Quadrupole moments in the shell model
Determine the tension in each string
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
Evaluate maximum altitude?
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