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- 7. You are a passenger in a Jeep with doors that is traveling at a constant speed of 10.9m/s. The driver turns left in a circle of radius 8.9 m. Your mass is 71.8 kg. Calculate the horizontal force in newtons that makes you stay in your seat in the car so you don't fly out of the car.A roller coaster car goes through a loop, which can be modeled as a portion of a circular arc, at a constant speed. At the top of the loop (when the roller coaster is upside down), how does the magnitude of the normal force compare to the roller coaster car's weight? a) The normal force is greater than the weight b) The normal force is less than the weight c) The normal force is equal to the weight d) There isn't enough information to tell, since the answer depends on the roller coaster car's speedA cat dozes on a stationary merry-go-round, at a radius of 4.1 m from the center of the ride. The operator turns on the ride and brings it up to its proper turning rate of one complete rotation every 6.5 s. What is the least coefficient of static friction between the cat and the merry-go-round that will allow the cat to stay in place, without sliding? Number i Units >
- 3. A car of mass m is traveling along a circular track of radius r with a constant speed v. Determine the minimum coefficient of static friction between the tires and the track required for the car to remain in circular motion if: a. the track is flat. b. the track has an angleA mountain climber swings a grappling hook (m=0.75 kg) at the end of a 0.6 m long rope in a vertical circle with a speed of 11 m/s. Determine the tension in the rope when the hook is at the top of the circle.46. Please help answer this question thank you so much!:))
- A roller coaster car is near the bottom of its track, as shown in the figure. At this point, the normal force on the roller coaster is 3.5 times its weight. The speed of the roller coaster is 26 m/s. Determine the radius of the track's curvatureA 20-g ball at the end of a string is swung in a vertical circle with a radius of 23 cm. The tangential velocity is 200.0 cm/s. Find the tension in the string: a. at the top of the circle Ttop = b. at the bottom of the circle Tbottom = Submit Question2) Base your answer to the question on the information below and on your knowledge of physics. A gas-powered model airplane has a mass of 4.50 kilograms. A student exerts a force on a cord to keep the airplane flying around her at a constant speed of 50.0 meters per second in a horizontal, circular path with a radius of 100 meters. Calculate the magnitude of the centripetal force exerted on the airplane to keep it moving in this circular path. [Show all work, including the equation and substitution with units. ]