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- A ASPO504_CHP3456EXC x G determine the work dor X b My Questions | bartleby x G Two blocks, A and B (w O 4/17 Kombinasi 10 9 (89) WhatsApp + A webassign.net/web/Student/Assignment-Responses/submit?dep=25327067&tags=autosave#question4857508_2 司。 Two blocks, A and B (with mass 40 kg and 120 kg, respectively), are connected by a string, as shown in the figure below. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is u,, = 0.29. Block A moves from © to O, a distance of 21 m up the incline (and block B drops downward a distance of 21 m). If the system starts from rest. В D 37° (a)determine the change in the kinetic energy of block A 4460 4460 J (b)determine the work by friction force on block A -1910 J Enter a number (c)determine the work by tension force on block A (d)determine the work by gravity force on block A (e)determine the work by incline surface reaction force on block A Scan 07 Novembe.pdf Show all 11:57 AM P…A typical muscle fiber is 2.0 cmcm long and has a cross-section area of 3.1×10^−9m^2When the muscle fiber is stimulated, it pulls with a force of 1.3 mN What is the work done by the muscle fiber as it contracts to a length of 1.6 cmcm?A linear accelerator has a bundle of electrons travelling North. The bundle experiences acceleration of 276.6 m/s^2 North. The bundle has 7.49e23 electrons. Each electron has mass 9.10938e-31kg. What is the work done on the bundle due to gravity if the bundle travels 8.904 m?
- 26-30. The ski slopes at Bluebird Mountain make use of tow ropes to transport snowboarders and skiers to the summit of the hill. One of the tow ropes is powered by a 22-kW motor which pulls skiers along an icy incline of 14° at a constant speed. Suppose that 18 skiers with an average mass of 48 kg hold onto the rope and suppose that the motor operates at full power. A. Determine the cumulative weight of all these skiers. B. Determine the force required to pull this amount of weight up a 14° incline at a constant speed. C. Determine the speed at which the skiers will ascend the hill.Find the work done by the force field F(x, y, z)=xi+yj+4zkon a particle as it moves along the path C: r(t)=2costi+2sintj+tk, for 0 less than or equal to t less than or equal to 2piA proton moves from point A to point B. Its distance from point A is 2mm and from point B is 4 mm. Find the work done on the proton.
- #53An object with mass m = 152 kg moving at the speed of v = 0.53 m/s was stopped by an external force applied on the object. How much work was done on the object by the force until the object stopped?A certain rain cloud at an altitude of 1.50 km contains 3.20 x 10' kg of water vapor. How long would it take for a 2.36-kW pump to raise the amount of water from Earth's surface to the cloud's position?
- Please help with part bWhat is the potential energy of an acorn falling out of a tree 20 meters above the ground that has a weight of 23.7 N? O 474 J O 119J O 0.84J O 4645 JWhat amount of work that need to be done by an external force on a particle on a frictionless, horizontal surface to double its speed from v to 2v? equal to the work required to accelerate the object from v = 0 to v, twice the work required to accelerate the object from v = 0 to v, three times the work required to accelerate the object from v = 0 to v, four times the work required to accelerate the object from 0 to v, or not known without knowledge of the acceleration?