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An object is moving at a constant speed around a circle. In which of these cases...
A particle object undergoes uniform circular motion at a speed v around a circle of radius...
A particle object undergoes uniform circular motion at a speed v around a circle of radius r. Given v and r, the magnitude of centripetal acceleration is a0. Assume when either v or r are changed, the particle remains in uniform circular motion. 1. Suppose the radius of the circle is cut in half. What happens to the magnitude of the centripetal acceleration? choices: the acceleration doubles, acceleration increases by square root of 2, acceleration remains the same, acceleration decreases...
5. Consider an object of mass m moving with constant speed v in a circle of...
5. Consider an object of mass m moving with constant speed v in a circle of radius r. What is the algebraic expression for the centripetal acceleration ac of the object in terms of its speed v and radius r? (Use any variable stated in this part.) ac =
26.1) An object travels around a circle at constant speed. Which of the following quantities are...
26.1) An object travels around a circle at constant speed. Which of the following quantities are constant? A) The object's linear momentum, B) The object's angular momentum, C) Both p and are constant D) Neither of p or are constant. 26.2) An object travels around a circle at constant speed. If the object is stopped and then rotated in the opposite direction at the same speed, its angular momentum, l, will be the same. A) True B) False
Consider an object in uniform circular motion. A.) If the trajectory and the mass of the...
Consider an object in uniform circular motion. A.) If the trajectory and the mass of the object are unchanged, but the centripetal force is doubled, is the object's speed multiplied by a factor of 1, square root of 2, 2, or 4? B.) If the mass of the object is halved and the radius of the circle quadrupled, while keeping the mass of the object the same, is the object's speed multiplied by a factor of1, square root of 2,...
An object is moving counterclockwise at a constant speed around the circle x^2 + y^2 =...
An object is moving counterclockwise at a constant speed around the circle x^2 + y^2 = 1, where x and y are measured in meters. It completes one revolution every minute. a) What is its speed? b) What is its velocity vector 30 seconds after it passes the point (1,0)? Does your answer change if the object is moving clockwise? Explain.
Q3) A car moving with a constant speed of 35.0 m/s completes one lap around a...
Q3) A car moving with a constant speed of 35.0 m/s completes one lap around a circular track of radius 250 m. What is the magnitude of the centripetal acceleration of the car? When the car is at the point 'A', what is its direction of centripetal acceleration (show by making an arrow on the figure)
1) A cyclist rides around a circle track with a constant speed of 8 m/s. If...
1) A cyclist rides around a circle track with a constant speed of 8 m/s. If the radius of the track is 150 m then what acceleration does it experience? 2) A 75 kg tightrope walker is in the middle of the rope. The tightrope sags in the middle and creates a 30 degree angle below the horizontal. What is the tension in the cable? 3) A 0.75 kg yo-yo is spun around at a constant speed in a circle....
A 0.25 kg ball is attached to a string. The ball goes around in a circle...
A 0.25 kg ball is attached to a string. The ball goes around in a circle that is horizontal (parallel) to the ground. The circular path has a radius of 1.5 m. The rotation is at a constant rate of 50 rpm. a) list the given b) what is the tangential velocity of the ball? c) what is the centripetal acceleration (magnitude and direction)? d) what is the magnitude of the tangential acceleration? e) what is the soure of the...
HMK #7: Centripetal Acceleration Exercise 3.30 An object moves in a horizontal circle at constant speed...
HMK #7: Centripetal Acceleration Exercise 3.30 An object moves in a horizontal circle at constant speed v (in units of m/s). It takes the object T seconds to complete one revolution. Correct Part If the radius doubles, by what factor must the period change to keep Grad the same? Express your answer using three significant figures. IVO AXOO O? T2/T = 0 You have already submitted this answer. Enter a new answer No credit lost. Try again. Submit Previous Answers...
please ansa all A car travels around a curve with constant speed. The correct statement from...
please ansa all
A car travels around a curve with constant speed. The correct statement from the following is the car has an acceleration directed inward toward the center of the curve. the velocity of the car is constant. the car has an acceleration direction outward from the center of the curve. the car has zero acceleration. the car has an acceleration directed in the instantaneous direction of the velocity vector. A ball is whirled on the end of a...
26.1) An object travels around a circle at constant speed. Which of the following quantities are constant? A) The object's linear momentum, B) The object's angular momentum, C) Both p and are constant D) Neither of p or are constant. 26.2) An object travels around a circle at constant speed. If the object is stopped and then rotated in the opposite direction at the same speed, its angular momentum, l, will be the same. A) True B) False
Q3) A car moving with a constant speed of 35.0 m/s completes one lap around a circular track of radius 250 m. What is the magnitude of the centripetal acceleration of the car? When the car is at the point 'A', what is its direction of centripetal acceleration (show by making an arrow on the figure)
HMK #7: Centripetal Acceleration Exercise 3.30 An object moves in a horizontal circle at constant speed v (in units of m/s). It takes the object T seconds to complete one revolution. Correct Part If the radius doubles, by what factor must the period change to keep Grad the same? Express your answer using three significant figures. IVO AXOO O? T2/T = 0 You have already submitted this answer. Enter a new answer No credit lost. Try again. Submit Previous Answers...
please ansa all
A car travels around a curve with constant speed. The correct statement from the following is the car has an acceleration directed inward toward the center of the curve. the velocity of the car is constant. the car has an acceleration direction outward from the center of the curve. the car has zero acceleration. the car has an acceleration directed in the instantaneous direction of the velocity vector. A ball is whirled on the end of a...
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