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Two blocks with masses M1=7.90kg and M2=1.20kg are attached by a thin string which goes over a frictionless, massless pulley. M1 slides on an incline and there is friction between M1 and the incline. The incline is at an angle of 30.0 degrees from horizontal as shown. M2 travels down at a constant velocity of 0.59m/s. Calculate the magnitude of the frictional force acting on M1.
The average depth of Earth's oceans is 2.236 mi. Suppose 68% of the earth is covered in water and that the population of the earth is 6.33 billion. (a) How much water mass on the surface of earth is there per person and (b) to help visualize it, w..
Nichrome wire of cross-sectional radius 0.758 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 1.00 atm at 20.0oC. how tall is the column of gas that is supporting the piston
A cowboy stands on horizontal ground between two parallel vertical cliffs. He is not midway between the cliffs. What is the distance between the cliffs
Three wires are arranged parallel to each other. Wire 1 sits at x = -2.5m with a current I1 = 3.0A directed into the page, Determine the location of wire 3 and the direction of the current such that the net magnetic force acting on wire 3 is zero
At one instant a bicyclist is 49m due east of a park's flagpole, going due south with a speed of 14 m/s. Then 40s later, the cyclist is 49m due north of the flagpole, going due east with a speed of 14m/s. For the cyclist in this 40s interval, what..
The strength of the magnetic field within a solenoid is B = 3.4 × 10-2 T, single loop is placed in the solenoid parallel to the plane of each loop in the solenoid, What is the total number of turns of the solenoid
How far does the jet travel while it is accelerating and how large is the force that the catapult must exert on the jet?
How far in front of the cattle should the pilot release the hay so that the bales will land at the point where the cattle are stranded.
A basketball player grabbing a rebound jumps 70 cm vertically. How much total time (ascent and descent) does the player spend (a) in the top 11.9 cm of this jump and (b) in the bottom 11.9 cm.
Determine the heat transfer and work for each of the processes. What is the internal energy change for Process 1-2? What is the internal energy change for Process 2-3? (There is an answer posted for the same question, but the answer does not appea..
Tarzan swings on a 34.0-m-long vine initially inclined at an angle of 31.0° with the vertical, What is his speed at the bottom of the swing if he starts from rest
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