37. John drives a car of mass 1800 kg on the Ford Test Track. If the initial speed of the car is 32m/s and the track can be approximated as a circle of radius 25 m, what is the average velocity John would be travelling at during a single revolution? A. 26 m/s B. zero m/s C. 44 m/s D. 100 m/s Е. 32 m/s

37. John drives a car of mass 1800 kg on the Ford Test Track. If the initial speed of the car is 32m/s and the track can be approximated as a circle of radius 25 m, what is the average velocity John would be travelling at during a single revolution? A. 26 m/s B. zero m/s C. 44 m/s D. 100 m/s Е. 32 m/s

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

. A hang glider and its pilot have a total mass equal to 120 kg. While executing a 360° turn, the glider moves in a circle with an 8-m radius. The glider’s speed is 10 m/s. (a) What is the net force on the hang glider? (b) What is the acceleration?
A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 80 km/h. What is the car's centripetal acceleration in =______m/s2?
2. What is the maximum velocity, in miles per hour, for an automobile rounding a level curve of 200 ft radius if μs between the tires and roadbed is 1.0.
13) jet plane is capable of an acceleration of magnitude 0.564gwhen it turns.If the plane is flying at 988 km/hr, what’s the minimum turning radius for the plane?
When you put water in a kitchen blender, it begins to travel in a 5 cm radius circle at a speed of 1 m/s. How quickly is the water accelerating?
A particle travels in a circular orbit of radius r = 127.9 meters. Where it's speed is changing at a rate of at=11.8 at an instant when it's speed is at v = 33.6 m/s. What is the expression for the magnitude a of the total acceleration of the particle in terms of the variables from the problem statement? a = ?
An aston martin v8 vantage sports car has a "lateral acceleration" of 9/ms2. This is the maximum centripetal acceleration the car can sustain without skidding out of a curved path. If the car is travelling at a constant 48 m/s on level ground, what is thr radius R of the tightest unbanked curve it can negotiate?
1. A punter kicks a soccer ball off the ground at an angle of 37 o with the horizontal at a speed of 12.0 m/s. Find A) how long the ball is in the air? b) how high it goes? c) how far away it lands? 2. A 0.20 kg mass is tied at the end of a string, the other end is held and is whirled overhead making 25 revolutions in 1.0 minute Determine a) the speed of the mass b) its acceleration c) the centripetal force d) the centrifugal force
In a roundabout (or traffic circle), cars go around a 25-m-diameter circle. If a car’s tires will skid when the car experiences a centripetal acceleration greater than 0.60g, what is the maximum safe speed of the car in this roundabout?
In a vertical dive, a peregrine falcon can accelerate at 0.6 times the free-fall acceleration g (that is, at 0.6g) in reaching a speed of about 110 m/s. If a falcon pulls out of a dive into a circular arc at this speed and can sustain a radial acceleration of 0.6g,what is the radius R of the turn?
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
A number of amusement parks have rides that make loops like the one shown in Figure 6.33. For safety, the cars are attached to the rails in such a way cannot fall off. If the car goes over the top at just the right speed, gravity alone will supply the centripetal force. What other force acts and what is its direction if: (a) The car goes over the top at faster than this speed? (b) The car goes this speed? Figure 6.33 Amusement rides with a vertical loop are an example of a form of curved motion.