Homework Answers
In this problem we have to use concept of circular motion.
ac=centripetal
acceleration=v2/R=2R
where R is radius,v is speed and is angular
speed
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both answers.
4. A ball attached...
If a car is moving พาth a constant velocity of 30 m/s around a roundabout nth...
If a car is moving พาth a constant velocity of 30 m/s around a roundabout nth a diantad what is the centripetal acceleration of the car? 2 3. If the period of a particle moving in a uniform circle with radius 0.2m is s, what is the of the particle? m/s and s centripetal 1. A ball attached to a string is spun in a circle with a constant velocity of 40 acceleration of so m/s2 What is the length...
Please answer 9-11. Thank you. Only answer if you know all. 9. A ball attached to...
Please answer 9-11. Thank you. Only answer if you know
all.
9. A ball attached to a string of length 60 em is spun in a uniform circle with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is...
Please answer all 3 accurately please. Only answer if you know all 3 answers. What is...
Please answer all 3 accurately please. Only answer if you know
all 3 answers.
What is the angle of a projectile launched from the grouad which hs a its maximmum range? 1. axinm beight that in bal If a car is moving with a constant velocity of 30 m/s around a roundabout with a diameter of 20 m what is the centripetal acceleration of the car? 2. If the period of a particle moving in a uniform circle with radius...
9. A ball attached to a string of length 60 cm is spun in a uniform...
9. A ball attached to a string of length 60 cm is spun in a uniform circle with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is v)(-2t)i+ (6t +2)jm/s What is the magnitude and direction of the...
9. A ball attached to a string of length 60 cm is spun in a uniform...
9. A ball attached to a string of length 60 cm is spun in a uniform circle with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is v)(-2t)i+ (6t +2)jm/s What is the magnitude and direction of the...
9. A ball attached to a string of length 60 cm is spun in a uniform...
9. A ball attached to a string of length 60 cm is spun in a uniform circle with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is v(t) (2-2t) i+ (6t +2) jm/s What is the magnitude and...
9. A ball attached to a string of length 60 cm is spun in a uniform...
9. A ball attached to a string of length 60 cm is spun in a uniform cirele with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is v(t) (e-2) i + (61 + 2) jm/s What is the...
A child swings a tennis ball attached to a 0.633-m string in a horizontal circle above...
A child swings a tennis ball attached to a 0.633-m string in a horizontal circle above his head at a rate of 4.50 rev/s. (a) What is the centripetal acceleration of the tennis ball? (b) The child now increases the length of the string to 1.00 m but has to decrease the rate of rotation to 3.50 rev/s. Is the speed of the ball greater now or when the string was shorter? (c) What is the centripetal acceleration of the...
Please answer 1-4 accurately. Thank you. 1. Radial acceleration is due to a) changes in the...
Please answer 1-4 accurately. Thank you.
1. Radial acceleration is due to a) changes in the magnitude of the b) the direction of the velocity vee velocity vector c) changes in the direction of the ve- tor d) the magnitude of the velocity vec- locity vector tor 2. The direction of centripetal acceleration is always a) away from the center of the circle c) parallel to the velocity b) towards the center of the circle d) in the direction of...
please answer both 6. Determine the Centripetal, the Tangential accelerations and the velocity of a particle...
please answer both
6. Determine the Centripetal, the Tangential accelerations and the velocity of a particle moving along a circular path having a radius 2.5 km; at a constant acceleration of 20 m/s at an angle of 30° with the radius? The position of a particle moving along the x axis is given by x = (21 t + 22t2-6.0t) m, where t s in s. What is the average velocity during the time intervalに1.0 s to 3.0 s?
If a car is moving พาth a constant velocity of 30 m/s around a roundabout nth a diantad what is the centripetal acceleration of the car? 2 3. If the period of a particle moving in a uniform circle with radius 0.2m is s, what is the of the particle? m/s and s centripetal 1. A ball attached to a string is spun in a circle with a constant velocity of 40 acceleration of so m/s2 What is the length...
Please answer 9-11. Thank you. Only answer if you know
all.
9. A ball attached to a string of length 60 em is spun in a uniform circle with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is...
Please answer all 3 accurately please. Only answer if you know
all 3 answers.
What is the angle of a projectile launched from the grouad which hs a its maximmum range? 1. axinm beight that in bal If a car is moving with a constant velocity of 30 m/s around a roundabout with a diameter of 20 m what is the centripetal acceleration of the car? 2. If the period of a particle moving in a uniform circle with radius...
9. A ball attached to a string of length 60 cm is spun in a uniform circle with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is v)(-2t)i+ (6t +2)jm/s What is the magnitude and direction of the...
9. A ball attached to a string of length 60 cm is spun in a uniform circle with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is v)(-2t)i+ (6t +2)jm/s What is the magnitude and direction of the...
9. A ball attached to a string of length 60 cm is spun in a uniform circle with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is v(t) (2-2t) i+ (6t +2) jm/s What is the magnitude and...
9. A ball attached to a string of length 60 cm is spun in a uniform cirele with a constant velocity at the rate of 10 rev/s. What is the centripetal acceleration of the ball? 10. A car drives with constant speed of 90 km/h around a roundabout with a diameter of 50 m. What is the centripetal acceleration of the car? 11. The velocity of a particle is v(t) (e-2) i + (61 + 2) jm/s What is the...
Please answer 1-4 accurately. Thank you.
1. Radial acceleration is due to a) changes in the magnitude of the b) the direction of the velocity vee velocity vector c) changes in the direction of the ve- tor d) the magnitude of the velocity vec- locity vector tor 2. The direction of centripetal acceleration is always a) away from the center of the circle c) parallel to the velocity b) towards the center of the circle d) in the direction of...
please answer both
6. Determine the Centripetal, the Tangential accelerations and the velocity of a particle moving along a circular path having a radius 2.5 km; at a constant acceleration of 20 m/s at an angle of 30° with the radius? The position of a particle moving along the x axis is given by x = (21 t + 22t2-6.0t) m, where t s in s. What is the average velocity during the time intervalに1.0 s to 3.0 s?
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