A boy whirls a stone in a horizontal circle of radius 1.46 m and at height 2.29 mrabove level ground. The string breaks, and the stone flies off horizontally and strikes the ground after traveling a horizontal distance of 8.57 m. What is the magnitude of the centripetal acceleration of the stone while in circular motion? Useg=9.81 m/s².

A boy whirls a stone in a horizontal circle of radius 1.46 m and at height 2.29 mrabove level ground. The string breaks, and the stone flies off horizontally and strikes the ground after traveling a horizontal distance of 8.57 m. What is the magnitude of the centripetal acceleration of the stone while in circular motion? Useg=9.81 m/s².

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter13: Gravitation

Section: Chapter Questions

Problem 37P: Two planets in circular orbits around a star have speed of v and 2v . (a) What is the ratio of the...

See similar textbooks

Similar questions

Two planets in circular orbits around a star have speed of v and 2v . (a) What is the ratio of the orbital radii of the planets? (b) What is the ratio of their periods?
A car initially traveling eastward turns north by traveling in a circular path at uniform speed as shown in Figure P7.15. The length of the arc ABC is 235 m, and the car completes the turn in 36.0 s. (a) Determine the cars speed. (b) What is the magnitude and direction of the acceleration when the car is at point B? Figure P7.15
What is the average speed in mi/h of a person at the equator as a result of the Earths rotation? (Take the radius of the Earth to be RE = 4000 mi.)
A rotating fan blade completes 20.0 revolutions per second. The tip of the fan blade is at a radius of 15.0 cm from the centre of the blade. a) What is the total distance travelled by the blade tip in one revolution? b) What is the tip's speed? c) What is the magnitude of uie tip's centripetal acceleration?
A ball tied to the end of a cable is spun ina circle with a radius 0.32 m making 3 revolutions every 7.2 seconds. What is the magnitude of the acceleration, a (in m/s ), of the ball? Give your answer accurate to one decimal place and enter only the number (and not the unit) below: a = Type your answer.
A ball is traveling at a constant speed (v) of 40.0 m/s in a circle with a radius (r) of 6.0 m. (Hint: The circumference C = 2πr) The centripetal acceleration is ZERO a. False b. True The total distance traveled by the ball is: How long in time does it take for the ball complete one circle? The displacement traveled by the ball is: The average speed of the ball is: The average velocity of the ball is:
A boy whirls a stone in a horizontal circle of radius 1.83 m and at height 2.38 m above level ground. The string breaks, and the stone flies off horizontally and strikes the ground after traveling a horizontal distance of 9.15 m. What is the magnitude of the centripetal acceleration of the stone while in circular motion? Use g=9.81 m/s?. Number i Units
A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure below. The length of the arc ABC is 223 m, and the car completes the turn in 40.0 s. 0 35.0⁰ x (a) What is the acceleration when the car is at B located at an angle of 35.0°? Express your answer in terms of the unit vectors î and ĵ. -0.233 X First find the magnitude of the acceleration; then work out the components of the vector. m/s² 1 + 0.163 Note that 223 is one quarter of the circumference of the circular path. m/s² ĵ (b) Determine the car's average speed. m/s (c) Determine its average acceleration during the 40.0-s interval. m/s² î+ m/s² j X
A car initially traveling eastward turns north by traveling in a circular path at uniform speed as shown in the figure below. The length of the arc ABC is 212 m, and the car completes the turn in 34.0s. 35.0 (a) Determine the car's speed. 7.625 Your response differs from the correct answer by more than 10%. Double check your calculations. m/s (b) What is the magnitude and direction of the acceleration when the car is at point B? 0.37 magnitude Your response differs from the correct answer 125 more than 10%. Double check your calculations. m/s direction • counterclockwise from the +x-axis
A car is going along a circular road at a constant speed. The radius of the curve is 270 m, and the car takes 1.4 minutes to complete one round. Calculate its centripetal acceleration in m/s2
A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center. The linear speed of a passenger on the rim is constant and equal to 8.00 m/s. a) What are the magnitude and direction of the passenger’s acceleration as she passes through the lowest point in her circular motion? B) How much time does it take the Ferris wheel to make one revolution?
Suppose that a Ferris wheel with radius R = 25 m is rotating clockwise and that the point P at angle 45° has acceleration vector a = (0, -70) m/min² pointing down, as in the figure. Determine the speed v and tangential acceleration at of the Ferris wheel. Ferris wheel (Use decimal notation. Give your answers to two decimal places.) at ≈ 450 ប ~ 2 m/min m/min