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Question1
A uniform bar is propped against an extremely slick vertical wall. The force of static friction between upper end of the bar and the wall is negligible, but bar remains at rest, in equilibrium. Which statement about bar is wrong?
Question2
A uniform horizontal bar of length L = 4.0 m and weight 120 N is pinned to a vertical wall and supported by a thin wire that makes an angle of θ = 34° with the horizontal. A mass M, with a weight of 330 N, can be moved anywhere all along the bar. The wire can withstand a maximum tension of 573 N. What is the greatest possible distance from the wall at which mass M could be placed before the wire breaks?
A metal rod 0.72m long moves with a speed of 2.2m/s perpendicular to a magnetic field. what is the strength of the magnetic field
A 0.410kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 22.0N/m . The block rests on a frictionless surface. A 6.00×10^2kg wad of putty is thrown horizontally at block, hitting it with a s..
I have a problem in mechanical physics where I'm given the linear mass density of a rigid plastic material. Here's the problem for context: A 42 cm diameter wheel, What is linear mass density
A long jumper (as shown in the figure) leaves the ground at an angle of 17.0° to the horizontal and at a speed of 10.6 m/s. How far does he jump
Illustrate what is the difference between a departmental accounting system and a responsibility accounting system? Are the reports of departmental net income and the departmental contribution to overhead useful in assessing a department manager's ..
A car travelling at 16 m/s runs out of gas while travelling up a 21 degree slope. How far up the hill would it coast before starting to roll back down.
A ski jumper takes off at an angle 20 degrees above the horizontal with a speed of 30.0m/s, Calculate the time of flight
What's the magnitude of the electric field at an on-axis point a distance of .7m from a ring of charge with a total charge of .8microC
An engine has a hot reservoir temperature of 900 K and a cold reservoir temperature of 608 K. What is the efficiency of the engine
A nerve fiber (axon) may be approximate as a long cylinder. what is the resistance of a 0.3-m long fiber
A 2500lb car collides with a 25,000 lb truck. What force is exerted on the car by the truck
a 1490 kg car has just passed a diner. the closest the car came to the diner was r=40.5, what is the current magnitude of the angular momentum of the car about the diner
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