Jill of the Jungle swings on a vine 7.00 m long. (a) What is the tension in the vine if Jill, whose mass is 65.0 kg, is moving at 3.00 m/s when the vine is vertical? (b) If the maximum tension that the rope can support is 750 N, what is the maximum speed that you can have on the rope?
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Jill of the Jungle swings on a vine 7.00 m long. (a) What is the tension in the vine if Jill, whose mass is 65.0 kg, is moving at 3.00 m/s when the vine is vertical? (b) If the maximum tension that the rope can support is 750 N, what is the maximum speed that you can have on the rope?
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- A movie stunt performer is filming a scene where he swings across a river on a vine. The safety crew must use a vine with enough strength so that it doesn't break while swinging. The stunt performer's mass is 84.0 kg, the vine is 11.0 m long, and the speed of the stunt performer at the bottom of the swing has been determined to be 8.20 m/s. What is the minimum tension force (in N) the vine must be able to support without breaking? NA 40.0 kg wagon is towed up a hill inclined at 18.0° with respect to the horizontal. The tow rope is parallel to the incline and has a tension of 140 N in it. Assume that the wagon starts from rest at the bottom of the hill, and neglect friction. How fast is the wagon going after moving 77 m up the hill?A constant applied force F, of 13.0 N pushes a box with a mass m = 6.00 kg a distance x = 15.0 m across a level floor. The coefficient of kinetic friction between the box and the floor is 0.130. F, Assuming that the box starts from rest, what is the final velocity vf of the box at the 15.0 m point? Uf = m/s If there were no friction between the box and the floor, what applied force Fnew would give the box the same final velocity? Fney O20°C 87
- A skateboard with mass of 50kg is pulled without friction across the ground by a rope that makes an angle of 20 degrees with the horizontal. What force on the rope would be required to move the skateboard at a constant speed of 20 m/s?An adventurous archeologist (m = 85.5 kg) tries to cross a river by swinging from a vine. The vine is 11.0 m long, and his speed at the bottom of the swing is 7.50 m/s. The archeologist doesn't know that the vine has a breaking strength of 1,000 N. Does he make it safely across the river without falling in? Yes NoThe diagram shows the all of the forces acting on a body of mass 3.13 kg. The three forces have magnitudes F1 = 59.2 N, F2 = 27.7 N, and F3 = 74.4 N, with directions as indicted in the diagram, where θ = 55.8 degrees and φ = 21.4 degrees. The dashed lines are parallel to the x and y axes. At t = 0, the body is moving at a speed of 5.29 m/s in the positive x direction. 1.)What are the x and y components of the acceleration in m/s2?