A ball moves with constant speed of 4 m / s around a circle of radius r = 0.25 m. What is the rotation period?

Q: An object rotates a full circle of radius 2m in 5 sec. What is the tangential speed of the object. O…

A: Let θ be the angle swept out by the object in that period of time. Then we define the (average)…

Q: A high-speed drill reaches 2000 rpm in 0.50 s. Through how many revolutions does it turn during this…

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Q: There is a CD-rom that's spinning a CD at 2,000 rpm. There is a bit of dirt, weighing 0.220 g,…

A:

Q: What is the tangential velocity (in kilometers per hour) of the earth at the equator? The radius of…

A: To find the tangential velocity of earth

Q: The circular blade of a table saw is 25 cm in diameter and spins at 3600 rpm. How much time is…

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Q: You spin a 0.1 kg rock in a vertical circle of radius 0.9 meters. The rock's linear speed is 5.1…

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Q: An automobile with 0.310 m radius tires travels 95,000 km before wearing them out. How many…

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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 child sits on the edge of a spinning merry-go-round that has a radius of 2.8 m. The child's speed…

A: Given data: Radius of the marry – go -round, r=2.8 m Speed of the child, v=5 m/s

Q: A child is riding a merry-go-round that is turning at 3.60 rpm. If the child is standing 4.65 m from…

A: Given: Angular velocity, ω=3.60 rpm Distance from center, r=4.65 m Let's find linear velocity of…

Q: A high-speed drill reaches 2200 rpm in 0.60 s. Through how many revolutions does it turn during this…

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

A: Given, length of the arc ABC, 214 mtime taken to complete, t = 34.0 s

Q: An audio CD has a diameter of 120 mm and spins at up to 540 rpm. When a CD is spinning at its…

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Q: What is the inertia of a bowling ball (mass = 0.5 kg) of radius 15 cm rotating at an angular speed…

A: in this question we have to find inertia so we don't considered speed in equation.

Q: A 5.0-m-diameter merry-go-round is turning with a 4.2 s period. What is the speed of a child on the…

A: Given data: Diameter (d) = 5.0 m Period (T) = 4.2 s Required: Linear speed of a child on the rim

Q: A car is moving at a rate of 70 miles per hour, and the diameter of its wheels is 2.5 feet. (a)…

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Q: A ball is tied to the end of a cable of negligible mass. The ball is spun in a circle with a radius…

A: Given: The radius of the circle r = 2 m The number of revolution it makes is 7 Rev The time taken…

Q: A merry-go-round with a diameter of 5.3 m completes one revolution every 4.1 s. What is the speed of…

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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 gondola on an amusement park ride spins at a speed of 13 revolutions per minute. If the gondola is…

A: Given data:  Angular speed (ω) = 13 rev/min Distance from center (r) = 21 ft Required: The linear…

Q: Figure 1 shows a 100 g pick revolving around at 200 rpm on a 20-cm-radius circle on a frictionless…

A: Given The mass of the pick is m=100 g. The initial radius covered by the pick is r1=20 cm. The…

Q: The circular blade of a table saw is 50 cm in diameter and spins at 50 rpm.How long must it rotate…

A: Given data :- diameter d = 50 cm radius r = 25 cm = 0.25 m frequency n = 50 rpm = 50 round per…

Q: A child sits on the edge of a spinning merry-go-round that has a radius of 1.8 m. The child's speed…

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Q: What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning…

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Q: Microwave ovens rotate at a rate of about 6 rpm.  What is this in radians per second? Group of…

A: The revolution per minute is 6rpm.

Q: a computer hard drive rotates at 5400 rpm. what angular acceleration will get it up to speed in just…

A: The number of revolution per minutes,

Q: a cd has a diameter of 120mm and spins at 540 rpm a. what is a period b. if a speck of dust is…

A: Hello. As your problem has multiple sub-parts, so we will solve the first three sub-parts. If you…

Q: A Merry-Go-Round, 2.4 m in diameter, makes 0.25 revolution every minute. What is the linear speed of…

A:

Q: An automobile with 0.320 m radius tires travels 60,000 km before wearing them out. How many…

A: The circumference of the circle is,

Q: A high-speed drill reaches 2000 rpm in 0.60 s. Through how many revolutions does it turn during…

A: Given,t = 0.6 sA high-speed drill reaches 2000 rpmThe number of revolutions it turns during first…

Q: How many rotations do they go through while decelerating?

A: Wf2  - Wi2  = 2αθ Wf = Final annual speed =0 rad/s Wi = intial angular speed = 600rpm = 600×2π/60…

Q: a ball at the end of a string of 0.8 m rotates at a constant speed of 5 m/s, what is the time needed…

A: Given: Speed of ball, v=5 m/s length of string, l=0.8 m   To determine time needed to complete one…

Q: A child sits on the edge of a spinning merry-go-round that has a radius of 2.6 m. The child's speed…

A: GIven, the radius of the circular path along which the child is spinning in the merry-go-around, R =…

Q: A 0.25 kg ball attached to a string is rotating in a horizontal circle of radius 0.5 m. If the ball…

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Q: After 3 seconds, the circular part of a roller coaster is able to make the ride travel from an…

A:

Q: A rock of mass 0.5 kg tied to a string is spinning around in a circle with a radius of 0.5 m, at a…

A:

Q: What other degrees from the start point that will result in being the same distance from the ground…

A: We need to determine, the other degrees from the start point that will result in being the same…

Q: A 1 kg ball is tied to the end of a rope and spun around in a vertical circle. The ball is slowly…

A:

Q: An automobile with 0.230 m radius tires travels 65,000 km before wearing them out. How many…

A: We know,                 ∆θ=∆s∆r Where, ∆θ = Rotational angle ∆s = Distance covered ∆r = Radius…

Q: A flywheel is turning at the rate of 250 rpm. How many seconds will it take for the flywheel to turn…

A: Angular speed , ω = 250 rpm  Radians = 2500 radians  To find = time taken

Q: What is the angular velocity of an object traveling in a circle of radius 0.75 m with a linear speed…

A: Given data: Radius, r=0.75 m Linear speed, v=3.5 m/s

Q: knowing that the moon orbiting earth in one month (30 days), what is the angular speed of moon in…

A: Option C is the right answer

Q: Radius of Stopper (cm) Period Tangential Velocity (cm/s) Trial (seconds) 1 80 cm 0.7955 s

A: Radius of stopper = r = 80 cm = 0.80 m Period = T = 0.7955 s Tangential velocity = Vt =?

Q: A high-speed drill reaches 2500 rpm in 0.54 s. What is the drill's angular acceleration? Through how…

A: Convert 2500 rpm to rad/s.

Q: Figure shows a conical pendulum, in which the bob moves in a horizontal circle at constant speed.…

A: given,

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.