3. A car is turning on a road surface with a coefficient of friction of μ = 0.30. It turns with a radius of 50 m. How fast can the car be travelling around the turn?
Q: The carriages on a Ferris wheel travel at a speed of 1.86 m/s. If the wheel has a radius of 6.25 m,…
A: GIVEN The speed of the Ferris wheel,V=1.86m/s The radius of the wheel,r = 6.25m
Q: A string under a tension of 49.0N is used to whirl a rock in a horizontal circle of radius 2.75 m at…
A:
Q: A toy airplane is tied to a 0.7 m cord, swirling in circles. The boy holding the cord did a…
A: radius of the circle, r=0.7 m angular velocity ω=24 rpm=24×2×π60 rad/s let the linear velocity of…
Q: If the man pulls the strap with constant acceleration during a short time interval Δt, calculate the…
A: Vf=1.9m/s R=0.4m M=2.4kg ∆t=0.3sec
Q: A ferris wheel with radius 12 m makes a revolution every 3 minutes. Find the linear (tangental)…
A: Linear speed is defined as rate of change of distance. v=dt ......1 where d is distance t is…
Q: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as…
A: The acceleration of the body moving in the circular path is given by ar=v2r…
Q: A 17 kg car travels in a flat circle. At a certain instant, the velocity of the car is 18 m/s west…
A:
Q: A rope with a length of 2.0 m is used to swing a 0.25 kg object in a horizontal circular motion with…
A: And in 1st part I solved acceleration
Q: A 1100 kg car is traveling around a flat 82.3 m radius curve. The coefficient of static friction…
A: Static friction between the car tires and the road is 0.521, which means this friction tries to stop…
Q: Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine…
A:
Q: The cable lifting an elevator is wrapped around a 1.1-m-diameter cylinder that is turned by the…
A:
Q: 80 kg person riding a Ferris wheel moves in a vertical circular trajectory of radius 6 m. As the…
A:
Q: A roller coaster goes inverted around a loop. The radius of curvature of the track is 8.0m. If a…
A:
Q: A 0.50 kg ball attached to the end of a horizontal cord is rotated in a circle radius 2.1m on a…
A:
Q: A car travels down a straight country road that leads over hills and through valleys. On one…
A: We are given car moving in 2 vertical circles. At one point it is at top of circle. At other point…
Q: A car of mass 1418 kg drives around a circular section of a curve with radius 60.7 m. The car is…
A: mass of car = 1418 kg radius = 60.7 m speed of car = 34 m/s
Q: A stunt rider on a motorcycle rides around a large, vertical loop with a radius of 19 m. How fast…
A:
Q: You are working in a biology lab and learning to use a new ultracentrifuge for blood tests. The…
A:
Q: A small airplane of mass 1200 kg is doing a horizontal turn. The turn requires the pilot to bank the…
A:
Q: What is the maximum speed (in m/s) that a car with a mass of 450 kg can have at point B in order for…
A: Here, the weight of the car provides the centripetal force.
Q: A race car is making a U-turn at constant speed. The coefficient of friction between the tires and…
A:
Q: A 85 kg skateboarder travels around a circular ramp with a radius of 11.7 m at a constant speed of…
A:
Q: An airplane is flying in a horizontal circle at a speed of 105m/s. The 80kg pilot does not want his…
A: Given, speed of an airplane, v = 105 ms mass of the pilot, m = 80 kg centripetal acceleration, ac =…
Q: Mr. M is a professional race car driver. The race track he is about to drive on has a curve that is…
A:
Q: A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a…
A: Number of revolution n= 1200Radius of blad r=0.10 mTime t= 1minute =60 Seconds
Q: A car is traveling at constant speed of v = 29 m/s. Its tires have a diameter of d = 0.53 m. v = 29…
A:
Q: A car is turning on a road surface with a coefficient of friction of µ = 0.30. It turns with a…
A: µ = 0.30radius,r=50 mLet V be the max. velocity of car around the turn
Q: A carnival clown rides a motorcycle down a ramp and around a loop. If the loop has a radius of 18m,…
A: Given value--- radius of loop = 18 m. We have to find--- what is the slowest speed the rider can…
Q: In a laboratory test of tolerance for high acceleration, a pilot is swung in a circle 15.0 m in…
A: a)The required acceleration is,
A car is turning on a road surface with a coefficient of friction of µ = 0.30. It turns with a radius of 50 m. How fast can the car be travelling around the turn?
Step by step
Solved in 2 steps
- A military jet is flying at 357 m/s in a tight circular turn. If the military jet reaches a centripetal acceleration of 10.0 times the free-fall acceleration, what must the radius of its turn be?A car approaches the top of a hill that is shaped like a vertical circle with a radius of 35.3 m. What is the fastest speed that the car can go over the hill without losing contact with the ground?The cable lifting an elevator is wrapped around a 1.2-m-diameter cylinder that is turned by the elevator's motor. The elevator is moving upward at a speed of 1.9 m/s . It then slows to a stop, while the cylinder turns one complete revolution.How long does it take for the elevator to stop?
- Civil and traffic engineers want to design a banked curve on a highway. The curve will have a 1.80 km radius and the highway's speed limit will be 70.0 mph. If every car will travel at the speed limit, what is this curve's ideal banking angle to three significant figures? NB: 1609 m = 1 mile. Hint: be careful with your units. 1.94° 2.62° 4.02° 3.18° 2.95° 15.5°A ball on a string goes in a circle with a constant speed of 19.0m/s. If the radius of the circle is 1.4m, what is the magnitude of the centripetal acceleration?A curve in a stretch of highway has radius 512 m. The road is unbanked. The coefficient of static friction between the tires and road is 0.700. What is the maximum safe speed that a car can travel around the curve without skidding?
- What is the maximum speed (in m/s) that a car with a mass of 370 kg can have at point B in order for its weight to hold it to the track? (Hint: treat the car's motion at point B like uniform circular motion; the weight of the car is providing the centripetal force. How fast can the car go while remaining in its circular path?)A small object of mass 0.500 kg is attached by a 0.840 m-long cord to a pin set into the surface of a frictionless table top. The object moves in a circle on the horizontal surface with a speed of 8.80 m/s. What is the magnitude of the radial acceleration of the object?