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Q: A centrifuge is a device in which a small container of material is rotated at a high speed on a…

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Q: takeoff a commercial jet has a 70.0 m/s speed. Its tires have a diameter of 0.400 m.(a) At how many…

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Q: 500kg car rounds of paint curve of 20° and a radius of 100 m with the speed of 29 m/s. What is the…

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Q: A car rounds an unbanked curve of radius 50 m at a constant speed. If the coefficient of static…

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Q: A car travels at a steady 39 m/s around a horizontal curve of radius 143 m. What is the minimum…

A: The centripetal force required to move the car in the circle of radius 'r' will be provided by the…

Q: A ceiling fan with 89-cm-diameter blades is turning at 60 rpm . Suppose the fan coasts to a stop 25…

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Q: Starting from a standstill, a windmill-style softball pitcher executed a pitch in 0.6 s. If her…

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Q: At takeoff a commercial jet has a 70.0 m/s speed. Its tires have a diameter of 0.400 m. (a) At how…

A: Linear speed of commercial jet (v) = 70 msdiameter of tires (d) = 0.400 m radius of tires (r) =…

Q: roller coaster car crosses the top of a circular loop-the-loop at three times the critical speed.…

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Q: A stuntman drives a car (without negative lift) over the top of a hill, the cross section of which…

A: Free body diagram of the car at the top of the hill

Q: A car of mass 850 kg attempts to round an unbanked road with a radius of 100 m. If the coefficient…

A: Mass of the car,  Radius of the road,  Coefficient of static friction,  Acceleration due to gravity,…

Q: A 639 kg car traveling at 32 m/s is going around a curve having a radius of 105.6 m that is banked…

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Q: NASA uses large centrifuges to study the effects of large forces on astronauts prior to their going…

A: Given Centirpeta acceleration (ac)= 20.0 g = 20.0  x 9.81 = 196.2 m/s2 Radius (r) = 9.5 m

Q: A curved road has a 60 m radius. The road needs to be banked in order for cars to handle the curve…

A: Given data The radius is R=60 m The velocity of the car is v=14 m/s   The banking angle of the road…

Q: A college student holds a pail full of water by the handle and whirls it around in a vertical circle…

A: Given data: The radius of circle is R=0.95 m.

Q: You are designing the section of a roller coaster ride shown in the figure. Previous sections of the…

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Q: You are designing the section of a roller coaster ride shown in the figure. Previous sections of the…

A: Given data: Speed of the train, v=10.7 m/s Height above the ground, h=37.5 m Acceleration at the top…

Q: The curved section of a speedway is a circular arc having a radius of 190 m. The curve is properly…

A: Given radius of the circular arc (r) = 190 metersSafe speed of the cars on curved path is (v) = 34…

Q: A turn has a radius of R and is banked at an angle theta so that on a perfectly icy (frictionless)…

A: Consider the FBD of the car on the frictionless banked road.

Q: A woman is riding a jet ski at a speed of 30 m/s and notices a seawall straight ahead. The farthest…

A: The expression for the distance is,

Q: nd 4. A 22.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rev/min. What…

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Q: A Dangerous Ride. You and your exploration team are stuck on a steep slope in the Andes Mountains in…

A: Given, Angle, θ=40° Diameter, D=88m Radius, R=882R=44m   The vertical force, mg=Ncosθ The slip…

Q: A Dangerous Ride. You and your exploration team are stuck on a steep slope in the Andes Mountains in…

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Q: Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the…

A: Given data: The length of blades are: r = 56 m The revolutions of the blade are: N = 13 rpm The…

Q: A car enters a horizontal, curved roadbed of radius 50 m. The coefficient of static friction between…

A: Given:Road radius=50mCo effiecient of static friction  μs=0.20Acceleration due to gravity g=9.8 m/s2

Q: You are driving a car. You pass over a speed breaker, whose shape is roughly a semicircle of radius…

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Q: It was a dark and stormy night in Winona, Minnesota. A driver advances along an icy road - assume…

A: This is case of Banked turn when there is no friction ,speed with which person take the turn to…

Q: dent ties a 530.0 g rock to a 1.75 m-long string and swings it around her head in a horizontal…

A: Given that: The mass of the rock is m=0.530 kg The length of the string is l=1.75 m. The…

Q: A long string is wrapped around a 6.3-cm-diameter cylinder, initially at rest, that is free to…

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Q: A flat (unbanked) curve on a highway has a radius of 220 m. A car rounds the curve at a speed of…

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Q: Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the…

A: The length of blades are: r = 59 mThe revolutions of the blade are: N = 14 rpmThe blade's velocity…

Q: A 2000 kg car is traveling on a curved, icy road without sliding. The speed of the car is 30 m/s and…

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Q: 26. Go A woman is riding a Jet Ski at a speed of 26 m/s and notices a seawall straight ahead. The…

A: To find:- Minimum distance from seawall so as to avoid the crash. Formula used:-

Q: Bob is driving with constant speed in a curved path with radius r = 50 m. If the coefficient of…

A: Radius of the circular track, r=50 m Coefficient of static friction, μ=0.5 The free body diagram of…

Q: In a recent study of how mice negotiate turns, the mice ran around a circular 90° turn on a track…

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Q: You are designing a highway which will be safe even if there is no friction between the tires of the…

A: The ideal embankmenr angle is given in radians by the formula, tan(θ)=V2rg where, θ= embankment…

Q: Q. 2: What will be the maximum speed of a car on a road turn of radius 30 m, if the coefficient of…

A: Given Data :                     Radius (r)=30 mCoefficient of friction (μ)=0.4g=9.8 m/s2 To find :…

Q: A car enters a 368-m radius horizontal curve on a rainy day when the coefficient of static friction…

A: Given, Radius , r = 368 m coefficient of static friction between its tires and the road , μs = 0.52.…

Q: A certain string just breaks when it is under 25 N of tension. A boy uses this string to whirl a 2…

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Q: A race track curve has a radius of 90 m and is banked at an angle of 15°. the coefficient of static…

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Q: Astronauts in the International Space Station must work out every day to counteract the effects of…

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Q: Modern roller coasters have vertical loops like the one shown. The radius of curvature is smaller at…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.