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If a box is pushed with a net force of 75 Newtons and accelerates at a rate of 6.50 m/s(squared), what is the inertia of the box? SHOW ALL YOUR WORK
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- Pulling the string on a bow back with a force of 28.7 lb, an archer prepares to shoot an arrow. If the archer pulls in the center of the string, and the angle between the two halves is 138°, what is the tension in the string? Show your work and explain.A net force of 3.50 N acts on a 2.75 kg object. What is the acceleration of the object? Show your work.Jill of the Jungle swings on a vine 6.9 m long. What is the tension in the vine if Jill, whose mass is 63 kg, is moving at 2.4 m/s when the vine is vertical? Show your work and explain.
- CALCULATE the acceleration of a 545,000 kg Falcon-9 Rocket, during launch when the thrust of its engines has a net force of 5.5 x 10^3 N. If supersonic speed just above 343 m/s, b) CONVERT 343 m/s to miles per hour (mph) and c) DETERMINE how many seconds would it take for the rocket to reach this speed? Show your work and round your answer to the nearest hundredthIf a baseball ( m = .450 kg) is hit with a force of 1700 N, what is the baseball's acceleration in m/s squared? SHOW ALL YOUR WORKWhat is the vertical component of the force 5 N acting on a particle along a direction making an angle of 600? Show all your working.
- A 4.98 kg ball traveling 5.7m/s horizontally landed in a 27kg wheeled cart that began at rest. What was the final velocity of the system? Show your work.A car goes around a curve on a road that is banked at an angleof 33.5°. Even though the road is slick, the car will stay on theroad without any friction between its tires and the road whenits speed is 22.7 m/s. What is the radius of the curve? Show your work and explain.When you push a 1.80-kg book resting on a tabletop, it takes2.25 N to start the book sliding. Once it is sliding, however, ittakes only 1.50 N to keep the book moving with constant speed.What are the coefficients of static and kinetic friction betweenthe book and the tabletop? Show your work and explain.
- Two ropes are attached to a wagon, one horizontal to the west with a tension force of 30 N and the other east and at an angle of 30 degrees northward and a tension force of 40. Find the components of the net force on the cart. Show all your workAn object moves on a flat surface with an acceleration of constant magnitude. If the acceleration is always perpendicular plane and measures the angle at which the block begins to slide. He reports that the coefficient of static friction was 0.25 in his experiments. At what angle did Leonardo’s blocks begin to slide? Show your work and explain.Two blocks with mass m and 2m are placed on a frictionless surface, and m is placed on top of 2m. Given the maximum static friction coefficent between two blocks is u, what is the maximum external force extered on 2m so that two blocks will move with the same acceleration? Please express in u, m and g. Show your work.