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The 500-lb crate is hoisted using the ropes AB and AC. Each rope can withstand a maximum tension of 2500 lb before it breaks. If AB always remains horizontal, determine the smallest angle θ to which the crate can be hoisted.
A heat engine operates between a high-temperature reservoir at 610K and a low-temperature reservoir at 320K. What is the net change in entropy as a result of this cycle?
A 54 N crate is suspended from the left end of a plank. The plank weighs 21N, but it is not uniform, so its center of gravity does not lie halfway between the two ends. The system is balanced by a support that is 0.3m from the left end of the plan..
A current of 30.0 mA is maintained ina single circular loop with a circumference of 2.40 m. A magnetic field of 0.590 T is directed parallel to the plane of theloop. What is the magnitude of the torque exerted on the loop by the magnetic field?
The drawing shows two boxes resting on frictionless ramps. One boxis relatively light and sits on a steep ramp. The other box isheavier and rests on a ramp that is less steep. The boxes arereleased from rest at A and allowed to slide down the ramp..
A soccer player kicks the ball toward a goal that is 29.0 meter in front of him. Evaluate the speed of the ball when the goalie catches it in front of the net
A cylindrical beaker of height 0.100 and negligible weight is filled to the brim with a fluid of density = 890 . When the beaker is placed on a scale, its weight is measured to be 1.00 .(Figure 1)
The magnitudes of the four displacement vectors shown in the drawing are A = 20.0 m, B = 11.0 m, C = 12.0 m, and D = 21.0 m.
An initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not exceed 1100 n the coefficient of static friction between the box and the floor is 0.35. Find the weight of the sand and box in th..
An electron traveling horizontally to the right enters a region where a uniform electric field is directed downward. What is the direction of the electric force exerted on the electron once it enters the electric field? A. to the left B. to the ri..
question1it has been asserted that a permanent magnet is really just made up of an insulator with fixed positive
Two forces F1 and F2 are acting on a mass M=6.0 kg. The force F1 = 5.0i + 7.0j + 2.0k, in N. The acceleration of the mass is given by a = 2.0i + 7.0j + 5.0k, in m/s2. Calculate the magnitude of F2.
Suppose you pour water into a container until it reaches a depth of 18. What is the pressure at the bottom of the container
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