Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 6, Problem 28P
To determine
To Find: The apparent weight of the driver.
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Chapter 6 Solutions
Physics Fundamentals
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- A race car travels 76 m/s around a circulartrack of radius 159 m What is the magnitude of the resultantforce on the 1600 kg driver and his car ifthe car does not slip?Answer in units of kN.arrow_forwardA 70.0 kg pilot is pulling out of a dive which follows a part of a vertical circular path of radius, R. If the airplane is traveling 150 m/s at the bottom of this path and experiences an apparent weight of 3310. N, find the radius of the circular path.arrow_forwardA car enters a horizontal, curved roadbed of radius 50.0 m. The coefficient of slatic friction between the tires and the roadbed is 0.20. What is the maximum speed with which the car can safely negotiate the unbanked curve?arrow_forward
- A bucket of mass 2.00 kg is whirled in a vertical circle of radius 1.10 m. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 N.(a) Find the speed of the bucket.(b) How fast must the bucket move at the top of the circle so that the rope does not go slack?arrow_forwardA motorist travels along a vertical circle with a diameter of 10.0 m. After one successful revolution, he notices that his speed at the bottom of the pathway is 6.50 m/s. The mass of the motorists is 70.0 kg. What apparent weight would he feel?arrow_forwardThe curved section of a horizontal highway is a circular unbanked arc of radius 520 m. If the coefficient of static friction between this roadway and typical tires is 0.30, what would be the maximum safe driving speed for this horizontal curved section of highway?arrow_forward
- A 0.50-kg object moves on a horizontal frictionless circular track with a radius of 2.5 m. An external force of 3.0 N, always tangent to the track, causes the object to speed up as it goes around. If it starts from rest, then at the end of one revolution the radial component of the force of the track on it is:arrow_forwarda vehicle with a mass of 2.5x10^3 kg is driving at a speed of 56 km/h around a level roadway with a curvature radius of 60 meters, just staying on the roadway (i.s., driving at the maximum safe speed for this turn and the tire treads). what is the coefficient of friction between the tires and the road?arrow_forwardYou are driving on a circular ramp of radius 72.0 m on an icy January day. The ice-covered ramp is banked at a 23.0° angle, and you anticipate that the ramp is not going to provide any significant friction to help keep your car on the road. (a) What must your speed be so that your car does not slide off the road? (b) What are the direction and magnitude of the net force acting on you at that point? Your mass is 72.0 kgarrow_forward
- A small 0.250-kg object is attached to a string (see figure), where it swings in a section of a vertical circle of radius 2.50 m. Find the magnitude of the tension in the string when θ = 28.0°, the speed of the object is 4.50 m/s.arrow_forwardThe coefficient of friction acting upon a 945-kg car is 0.850. The car is making a 180-degree turn around a curve with a radius of 35.0 m. Determine the maximum speed with which the car can make the turn.arrow_forwardA stuntman whose mass is 69 kg swings from the end of a 3.1-m-long rope along the arc of a vertical circle. Assuming that he starts from rest when the rope is horizontal, find the magnitudes of the tensions in the rope that are required to make him follow his circular path at each of the following points. army medio docume (a) at the beginning of his motion kN (b) at a height of 1.5 m above the bottom of the circular arc Fobiology kN (c) at the bottom of the arc kN hapter 3 Need Help? Watch It Read Itarrow_forward
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