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Q1. An 1100- car is held in place by a light cable on a very smooth (frictionless) ramp. The cable makes an angle of 31.0 above the surface of the ramp, and ramp itself rises at 25.0 above the horizontal. How hard does the surface of the ramp push on car?
Q2. A 110 kg mail bag hangs by a vertical rope 4.0 m long. A postal worker then displaces the bag to a position 2.0 m sideways from its original position, always keeping the rope taut. As the bag is moved to this position, how much work is completed by the worker?
A stone takes 0.28s to travel past a window 2.2m tall. From what height above top of the window did the stone fall?
A 1.20 liter flask contains a certain quantity of ideal gas at 305 K. next an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.30 times its original value. What is the final temperature.
How do you establish the value of theta
A conveyor belt at a quarry lifts 2,000 kg of sand per minute up a vertical distance of 12 meters. The sand is at first at rest, then moves at a speed of 0.20 m/s along conveyor belt. What is the instantaneous power generated by this machine .
Compute an inductance of the sensor for air gaps
What is the speed of bulky cart after the collision
A disk of radius R = 9 cm is pulled along a friction less surface with a force of F = 15 N by a string wrapped around the edge. At the instant when d = 28 cm of string has unwound off the disk, what is torque exerted about the center of the disk.
What is the magnitude of the current in the wire as a function of time?
What is frequency of the rotational motion for the wheel
Use Gauss law to compute amount of charge
How to find the magnetic field
What is current flowing through the collider
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