A good baseball pitcher can throw a baseball toward homeplate at 85 mi/h with a spin of 1800 rev/min. How many revolutionsdoes the baseball make on its way to home plate? For simplicity,assume that the 60 ft path is a straight line.

Q: An automobile travels at a steady 90 km/h along a road lead￾ing over a small hill. The top of the…

A: The speed of the automobile in m/s is, 90 km/h=90 km/h×1 m/s3.6 km/h              =25 m/s

Q: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as…

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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: Agolf ball is launched with the initial conditions shown in the figure. Determine the radius of…

A: Given,u=154 mi/h=225.867 ft/sθ=12° The free body diagram is shown below,

Q: . A cyclist on a circular track of radius 800 ft is travelling at 27 fps. His speed in the…

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Q: Question: - Give 1 worded problem with solutions of Uniform Circular Motion. - Please help me make a…

A: We are to form a problem with  uniform circular motion. We know that in UCM, the speed is constant.…

Q: A lab centrifuge spins at 1470 rad/s (14,000 rpm).  Suppose it has radius 8.20 cm. What is the…

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Q: A 5.4-m-diameter merry-go-round is initially turning with a 4.1 s period. It steadily slows down and…

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Q: A motorcycle, initially at rest, starts to move on a circular track with a 400-m radius. The…

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Q: om above). When switched off, it rotates through 48.0 revolutions before coming to rest. Assuming it…

A: We know that the third equation of the angular motion is given as  ω=ω0+2αθα= ω-ω02θ…

Q: boy is riding a merry-go-round at a distance of 7.00 m from its center. The boy experiences a…

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Q: An automobile with tires that have a radius of 0.260 m travels 64000 km before wearing them out.…

A: Given data :                   Radius of the tire (r) = 0.260 m                   Distance traveled…

Q: What is the rate of revolution [in revolutions per minute (or rpm)] of a centrifuge if a particle…

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Q: During the takeoff roll, a Boeing 747 jumbo jet which started from rest accelerated at a rate of…

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Q: The rotor on a helicopter turns at an angular velocity of 3.2x102 revolutions per minute.   If the…

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Q: An automobile with 0.300 m radius tires travels 70,000 km before wearing them out. How many…

A: Given that - Part(A)- radius of the tyres Distance covered by the tyres To Find - We have to…

Q: A particle rotates in a circle of radius 80 cm at an anglular speed of 9 rad/s. What is the…

A: Given: The radius of the circle is 80 cm. The angular speed of the particle is 9 rads. Introduction:…

Q: The period of a stone swung in a horizontal circle on a 2.50-m radius is 1.20 s. (a) What is its…

A: Given data: The period of a stone swung in a horizontal circle is, T= 1.20 sec The radius of the…

Q: In a vertical dive, a peregrine falcon can accelerate at 0.6 times the free-fall acceleration g…

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Q: David is fighting Goliath. If David’s 0.75 m sling accelerates for 1.5 seconds at 20 rad/s2, what is…

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Q: A particle revolves in a circular path or radius 0.5 m at the rate of 720 r.p.m. calculate its…

A: Given Data :                 Radius r=0.5 m,Frequency n=72 r.p.m.=72060=12 Hz To find : Linear…

Q: An automobile with 0.240 m radius tires travels 90,000 km before wearing them out. How many…

A: An automobile with radius r = 0.240 m tires travels D = 90,000 km before wearing them out.

Q: A military jet is flying at 268 m/s in a tight circular turn. If the military jet reaches a…

A: Velocity of the military jet (v): Centripetal acceleration (ac​): 10 times the free-fall…

Q: For a point on a spinning disc in uniform circular motion, which of the following is not constant? A…

A: The correct option is (D)  It's centripetal acceleration.

Q: An ultracentrifuge accelerates from rest to 8 X 104 rpm in 3.5min. What is the tangential…

A: Given  Initial angular velocity ωi=0rad/s Final angular velocity ωf=8×104rpm=2×3.14×8×10460=8373.33…

Q: An ultracentrifuge accelerates from rest to 9.89 x 10' rpm in 2.47 thin. What is its angular…

A: Given that:Initial speed, Ni=0Final speed Nf=9.89×105 rpmTame taken t=2.47 min=148.2 s

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.