4# is A #5 Whirling a mass in a vertical circle In #5, what is the...

Question

Question

4# is A

science physics

Answer 1

Answer #1

4) for minimum speed, mg=mu V=58g = Vrym (9.80m/s) v=8=7m/s Ar Centripetal acceleration (ac) ac= (3.7 m/s) = 9.80 m/s qoym

Answer 2

Similar Homework Help Questions

A 0.5 KG mass attached to the end of a string swings in a vertical circle...

A 0.5 KG mass attached to the end of a string swings in a vertical circle of radius 2 m. When the mass is at the lowest point of a circle, the speed of the mass is 12 m/s. The magnitude of the force in (N) of the string on the mass at this position is approximately?
A 4 kg stone is whirled at a constant speed in a vertical circle of radius...

A 4 kg stone is whirled at a constant speed in a vertical circle of radius 1 m. At the bottom of the circle the tension is 2mg. The speed of the stone is _____ m/s?
To the nearest newton, what is the required net force to give a bicyclist and bicycle...

To the nearest newton, what is the required net force to give a bicyclist and bicycle with a combined mass of 87.3 kg an acceleration of 2.34 m/s2? A car initially contains just its driver. The combined mass of car and driver is 1400 kg. When the gas pedal is pushed down all the way, the car reaches its maximum acceleration of 3.1 m/s2. If the driver then picks up three of his friends, the combined mass is increased by...

4. A small object of mass M is swinging around in a vertical circle held by...

4. A small object of mass M is swinging around in a vertical circle held by a massless string of length L, attached to a pivot, as shown. Given that the speed of the mass at the bottom of the circle is Vo, find the tension in the string when the mass is at an angle (theta) with respect to the vertical (see figure) Pivot M
A 420 g mass at the end of a string is whirled in a horizontal circle...

A 420 g mass at the end of a string is whirled in a horizontal circle of radius 60 cm. If its speed in the circle is 8.6 m/s, what must the tension in the string be? Neglect the force of gravity.
A bob on a 2 m long string is rotated in vertical circle. In a point...

A bob on a 2 m long string is rotated in vertical circle. In a point where tangential acceleration is -6/s2, the centripetal acceleration is 25 m/s2. Find the maximum speed and the minimum speeds of the bob during this rotation.

A bob on a 0.6 m long string is rotated in vertical circle. When the bob...

A bob on a 0.6 m long string is rotated in vertical circle. When the bob is in the position when the string makes 45 angle above horizontal, centripetal acceleration is 25 m/s2. Find tangential acceleration at this point and the speed of the bob in the top point of the circle.
HELP ME!! You are swinging a bucket containing 5 kg of water in a vertical circle...

HELP ME!! You are swinging a bucket containing 5 kg of water in a vertical circle with a radius of 0.4 m. What is the minimum speed that the bucket must have at the top of the circle to prevent the water from spilling out of the bucket? O 0 m/s 1.98 m/s O 3.92 m/s O 4.9 m/s
Circle answers please An object with a mass of m = 5.5 kg is attached to...

Circle answers please An object with a mass of m = 5.5 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.275 m and mass of M = 3.00 kg. The reel is a solid disk, free to rotate in a vertical plane about the horizontal axis passing through its center as shown in the figure below. The suspended object is released from rest 6.40 m above the floor. M...

A bucket of mass 1.80 kg is whirled in a vertical circle of radius 1.35 m...

A bucket of mass 1.80 kg is whirled in a vertical circle of radius 1.35 m . At the lowest point of its motion the tension in the rope supporting the bucket is 26.0 N . (a)Find the speed of the bucket. (b)How fast must the bucket move at the top of the circle so that the rope does not go slack?