Answered: A child sitting 1.20 m from the centre…

A child sitting 1.20 m from the centre of a merry-go-round. He moves with 1.70 m/s Calculate the centripetal acceleration (in the unit m/s2) of the child. 2.41 1.61 1.81 1.51

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter6: Uniform Circular Motion And Gravitation

Section: Chapter Questions

Problem 2CQ: Can centripetal acceleration change the speed of circular motion? Explain.

See similar textbooks

Related questions

Q: An object moves with a speed of 2.4 m/s in a circle of radius 1.6 m. Its centripetal acceleration is…

Q: 60 A centripetal-acceleration addict rides in uniform circular motion with period T = 2.0 s and…

A: Centripetal acceleration always point towards the center of the circular path i.e. along the…

Q: A wind turbine is rotating counterclockwise at 4.5 rad/s and slows to a stop in 10 s. Its blades are…

Q: A hawk flies in a horizontal arc of radius 12.0 m at a constant speed of 4.00 m/s. Find its…

Q: A 1.80 kg wooden block is tied to a rope and spun in a circular path of radius 1.12 m. The block…

A: Given data The mass of the wooden block is m = 1.80 kg. The radius of the circular path is r = 1.12…

Q: At t1 = 4.00 s, the acceleration of a particle moving at constant speed in counterclockwise circular…

Q: The length of a blade of a helicopter is 5_m, and the blade spins at 350_rev/min. Find the…

A: Centripetal accelerationac=ω2r=350 revmin25 m=350 revmin×2π radrev×min60 s25 m=6717 ms2

Q: A car moves on a circular track of radius 142.41 meters and accelerates uniformly from a speed of…

Q: Which of the following quantities are perpendicular for an object in uniform circular motion? a.…

Q: A 2.0 X 103 kilogram car travels at a constant speed of 12 meters per second around a cir- cular…

A: Given data: Mass of car (m) = 2.0×103 kg Speed of car (v) = 12 m/s Radius (r) = 30 m Required:…

Q: Formula One race cars are capable of remarkable accelerations when speeding up, slowing down, and…

A: Given data : Radius of track, R=95 m Velocity of Race Car , V=68 m/sTo calculate…

Q: jet fighter flying at 300 m/s (just below the speed of sound) makes a turn of radius 2.20 km. The…

A: Step1- Given v=300m/s r=2.20km…

Q: 9. A particle moves at a constant speed in a circular path with a radius of 2.06 cm. If the particle…

A: Given that - radius of the particle Frequency of the particle To Find - We have to determine the…

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

Q: A particle moves with the following trajectory: x = 0.16[m/s*]•tª - cos(8.32HZ-t) What is the…

Q: 5) sprinter running on a circular track has a velocity of constant magnitude 9.20 m/s and a…

Q: In a circular motion, if an object has a speed of 37.7m/s, and radius of the circular path is 10 m,…

Q: A ball swings counterclockwise in a vertical circle at the end of a rope 1.38 m long. When the ball…

A: Acceleration vector, a→=-19.5i^+25.5j^ Length of rope, r = 1.38 m

Q: A centripetal-acceleration addict rides in uniform circular motion with period T = 1.6 s and radius…

Q: A cat rides a merry-go-round turning with uniform circular motion. At time t1 = 2.20 s, the cat's…

Q: The bola is a traditional weapon used for tripping up or grounding an animal Once it is set into…

A: The speed of the bola is given by, v=2πrt Here, r is the radius of the circular path and t is the…

Q: The speed of a particle moving in a circle of radius 2.0 m increases its speed constantly at a rate…

A: The total acceleration acting on the particle in a circular motion is:

Q: A car exits the highway at 26.0 m/s and enters a 230 m radius curve. After breaking uniformly for…

Q: A cat rides a merry-go-round turning with uniform circular motion. At time t1 = 1.70 s, the cat's…

A: At time t1 = 1.70 s Cat's velocity, v1 = (3.90 m/s)î + (2.50 m/s)ĵ At time t2 = 5.30 s Cat's…

Q: I need help with this HW question

A: Gravity provide the necessary centripetal force

Q: You're designing a highway so that the maximum centripetal acceleration on a curve is no more than…

A: Calculating the required radius of curvature:

Q: A car travels in an oval path (Sa sgi u) as shown in the adjacent figure. If VA = 25 m/s, West, and…

A: Speed at location B, VB=20 m/s Radius of curvature at location B, R1=500 m

Q: A car travels in an oval path (l Sgia s) as shown in the adjacent figure. If VA = 25 m/s, West, and…

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

Q: A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 80…

A: Given data The diameter of the track is given as D = 1 km. The constant speed of the race car is v…

Q: A particle moves in a circular path of radius r with speed V. It then increases its speed to 3V,…

A: Here acceleration in the last line means centripetal acceleration

Q: The figure shows an object moving at constant speed in a circular path. What is the velocity of the…

A: Given:

Q: In a circular motion, if an object has a speed of 35.5m/s, and radius of the circular path is 45.2…

A: Recall centrepetal acceleration=v2/r As speed=v=35.5 m/s radius=45.2 m

Q: Which of the following five graphs (centripetal acceleration as a function of r) is correct for a…

A: The magnitude of centripetal acceleration ac of a uniform circular motion is equal to the square of…

Q: The earth orbits the sun once every π x 107 s at a distance of  1.5 x 1011 m.  Assuming uniform…

Q: A cat rides a merry-go-round turning with uniform circular motion. At time t1 = 2.20 s, the cat's…

Q: A ball swings counterclockwise in a vertical circle at the end of a rope 1.50 m long. When the ball…

A: Given: Length of the rope = 1.50 m The angle of the ball = 36.90

Q: What is the unit for centripetal acceleration? a. m/s^2 b. rad/s^2 c. m/s d. cm/s^2

Q: 10. Use the formulas a = v2/r and v = 2πr/T to derive the following formulas: (a) centripetal…

A: Givna=v2r andv=2πrT

Q: Question 18. A train slows down as it rounds a sharp horizontal turn slowing from 90 km/h to 50 km/h…

A: It is given that, u=90 km/h=25 m/sv=50 km/h=13.9 m/st=15 s

Q: The earth orbits the sun once every π x 107 s at a distance of  1.5 x 1011 m.  Assuming uniform…

Q: Former prince Harry's child is riding on a dangerous, old-fashioned, playground merry-go-round which…

Q: An apparatus is designed to study insects at an acceleration of magnitude 969 m/s. The apparatus…

Q: Formula One race cars are capable of remarkable accelerations when speeding up, slowing down, and…

A: Given :car round a corner segment of radius 95 m at a speed of 68m/s. Using…

Q: A car travels in an oval path shown in the adjacent figure. If VA = 25 m/s, West, and VB = 20 m/s,…

Q: A 2kg toy is moving in a circle of radius 2.5 m with a speed of 3m/s.Calculate the centripetal…

Q: An object is doing uniform circular motion with a radius of 0.45 m, 50 turns per minute, how much is…

Q: A particle moves with the following trajectory: x = 0.497[m/s]•t4-cos(5.2Hz•t) What is the…

A: Instantaneous velocity of particle in x-direction is time derivative of position function of x…

Q: Which of the following particles has the greatest centripetal acceleration?

A: We know that the formula for centripetal acceleration(ac) is as mentioned below. Where r denotes…

Concept explainers

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.

Question

A child sitting 1.20 m from the centre of a merry-go-round. He moves with 1.70 m/s Calculate the centripetal acceleration (in the unit m/s2) of the child.
2.41
1.61
1.81
1.51

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A runner runs around a circular track. He completes one lap at a time if t=497s at a constant speed of v=3.9m/s. What is the radius r in meters of the track?what was the runners centripetal acceleration ac in m/s^2 during the run?
A runner runs around a circular track. He completes one lap at a time of t = 389 s at a constant speed of v = 4.4 m/s.t = 389 sv = 4.4 m/sWhat is the radius, r in meters, of the track? What was the runners centripetal acceleration, ac in m/s2, during the run?
For an object undergoing a uniform circular motion with radius 5.7 m and period 4.35 sec, the centripetal acceleration (m/s2) is:
a planet has a moon which is 2.5x10^9 m away from the planet, the moon makes a circular orbit around the planet with a period of 18 days, what is the centripetal acceleration in m/s^2 of the moon?
Can centripetal acceleration change the speed of circular motion? Explain.
Explain why centripetal acceleration changes the direction of velocity in circular motion but not its magnitude.
What is the radius of the circular motion if an object travelling at 2.64 m/s experiences a centripetal acceleration of 3.24 m/s2?
The moon completes one (circular) orbit of the earth in 27.3 days. The distance from the earth to the moon is 3.84 x 108 m. What is the moon’s centripetal acceleration?
A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 86 km/h. What is the car's centripetal acceleration in m/s2?
A car is traveling at a speed of 88 km/hr on a circular racetrack of radius 670 m. What is its centripetal acceleration in m/s2?
In a circular motion, if an object has a speed of 34.8m/s, and radius of the circular path is 80.2 m, what is the centripetal acceleration in m/s2?
A centripetal-acceleration addict rides in uniform circular motion with radius r=3.00m. At one instant his acceleration is a=(600m/s2)i^+(−4.00m/s2)j^. At that instant, what are the values of (a)v.a and (b)r.a