Let the mass of the block be 7.5 kg and the angle ? be 30°. (a) Find the tension in the cord. N (b) Find the normal force acting on the block. N (c) If the cord is cut, find the magnitude of the resulting acceleration of the block. m/s2
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Let the mass of the block be 7.5 kg and the angle ? be 30°.
N
(b) Find the normal force acting on the block.
N
(c) If the cord is cut, find the magnitude of the resulting acceleration of the block.
m/s2
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- A force is applied horizontally to a block to move it up a 30° incline. The incline is frictionless. If F = 80.0 N and M 4.8 kg, what is the magnitude of the acceleration of the block? Question Help: Read Submit Question M ◄ Previous F The magnitude of the acceleration of the block is m/s². 30° 30° Next ▸A block of mass 52 kg block is being pulled up a 15° slope by a force of 277 N directed parallel to the slope. The block's magnitude of acceleration is 1.25 m/s². What is the coefficient of kinetic friction between the block and the slope? Mk =An object of mass 5 kg is acted on by two forces F1 = 6 i N and F2 = 7 j N. What is the magnitude of the net acceleration? Give your answer in m/s2 to 2 sf. The magnitude must be a positive number.
- A sled and rider have a total mass of 61.0 kg. They are on a snowy hill. The coefficient of kinetic friction between the sled and the snow is 0.155. The angle of the hill's slope measured upward from the horizontal is 21.0°. What is the acceleration of the rider? |m/s² Is the acceleration greater, less than, or equal to your result if a more massive rider uses the same sled on the same hill? Explain. O Greater than: the acceleration scales according to the mass of the rider. O Greater than: the acceleration scales according to the ratio of the masses of the rider and sled. O Less than: the acceleration scales according to the ratio of the masses of the rider and sled. O Equal to: the acceleration is independent of mass. O Equal to: the acceleration scales according to the mass of the sled.4.3 kg A 4.3 kg object hangs at one end of a rope that is attached to a support on a railroad boxcar. When the car accelerates to the right, the rope makes an angle of 37° with the vertical. The acceleration of gravity is 9.8 m/s² . Find the acceleration of the car. Answer in units of m/s². (2.00 kg and m2 = 1.00 kg are connected by a massless string passing over a massless and frictionless pulley. Mass mi moves on a horizontal surface having a coefficient of kinetic friction H= 0.100 and is subject to a constant two masses mi = force F = 20.0 N. Find the magnitude of the acceleration of m2. F 20.0 N 0=30° m1 m2
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- An object with mass m, = 5.40 kg, rests on a frictionless horizontal table and is connected to a = 10.6 kg, cable that passes over a pulley and is then fastened to a hanging object with mass m, as shown in the figure. (a) Find the magnitude of the acceleration of each object. a1 Your response differs from the correct answer by more than 100%. m/s² a2 m/s2 (b) Find the tension in the cable. 35.046m₁ ܕ ܐܐܐ Felipe has a mass of my 57 kg and is climbing the pictured rope, weighted by block with m₂ 106 kg. What is the tension in the rope? 727 2 N Submit Answer Incorrect. Tries 4/10 Previous Tries