An earth satellite which moves in the elliptical equatorial orbit shown has a velocity v in space of 17 970 km/h when it passes the end of the semi- minor axis at A. The earth has an absolute surface value of g of 9.821 m/s and has a radius of 6371 km. Determine the radius of curvature p of the orbit at A.
Q: During the last rotation, a hammer thrower maintains a constant acceleration of his hammer, from 28…
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Q: A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an…
A: Given that,Diameter, d= 210 mAcceleration, a=9.80ms2we know that angular acceleration, α=ω2rwhere ω…
Q: A rotating space station is said to create "artificial gravity"-a loosely-defined term used for an…
A: Diameter of the space station is 250m so the radius of the space station is 125m r=125 m centripetal…
Q: When the disk is at its final speed, what is the magnitude of the tangential velocity of the bug?
A: When a disk is rotating with it's final speed, the bug which sit on the disk have tangential speed.…
Q: A hoop has a mass of 500 g and a radius of 14 cm is released on an incline that is 1.5 m long and 20…
A: Given:- The mass of the hoop is m = 500 g The radius of the hoop is r = 14 cm The incline length…
Q: A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an…
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Q: centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain…
A: Relation between centripetal acceleration, angular velocity and radius is given as: ac=ω2R Here ac…
Q: (a) What is the tangential acceleration of a bug on the rim of a 9.0 in. diameter disk if the disk…
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Q: A rotating space station is said to create “artificial gravity”—a loosely-defined term used for an…
A: Using the equation for centripetal acceleration, ac=rω2ω=acr
Q: floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts…
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Q: what angular velocity would produce an "artificial gravity" of 9.80 m/s at the rim?
A: When an object moves in a circular path it experience an acceleration having magnitude equals…
Q: A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an…
A: Given, Diameter, d=170 m Acceleration along center or Centripetal acceleration, ac=9.8 m/s2
Q: A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an…
A: The formula for acceleration is: α=ω2r
Q: (a) What is the magnitude of the tangential acceleration of a bug on the rim of a 13.0-in.-diameter…
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Q: A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an…
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Q: (a) What is the magnitude of the tangential acceleration of a bug on the rim of a 12.0-in.-diameter…
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Q: What are the units of measurement for tangential speed? For rotational speed?
A: Tangential speed or velocity can be defined as the component of velocity whose direction at any…
Q: The tires of a car make 94 revolutions as the car reduces its speed uniformly from 93.0 km/h to 56.0…
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Q: What relationship links tangential acceleration with angular acceleration?
A: Tangential acceleration is defined as the rate of change of tangential velocity of the matter in…
Q: The tires of a car make 77 revolutions as the car reduces its speed uniformly from 95.0 km/h to 65.0…
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Q: 5. (a) What is the tangential acceleration of a point on the rim of a 10-in-diameter disk if the…
A: Diameter of the rim is = 10 inRadius of the rim is (r) = 5 in = 5 Initial angular speed () = 0 rad/s…
Q: During a certain time interval, the angular position of a rotating disk is described by 0=20-1+3r If…
A: Angular motion of a disk is described by the equation : θ(t) = 20-t+3t3 radω(t) = d[θ(t)]dt (Angular…
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Q: A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an…
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Q: rotating space station is said to create “artificial gravity”—a loosely-defined term used for an…
A:
Q: 15) An object of mass 0.5 kg., moving in a circular path of radius 0.25 m, experiences a centripetal…
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- A solid cylinder rolls down an incline at 41° from rest. (a) What is its acceleration (in m/s2)? (Enter the magnitude.) m/s² (b) How far (in m) does it go in 3.9 s? mA rotating space station is said to create "artificial gravity"-a loosely-defined term used for an acceleration that would be crudely similar to gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. If the space station is 190 m in diameter, what angular velocity would produce an "artificial gravity" of 9.80 m/s² at the rim? rpmThe earth spins on its axis once a day and orbits the sun once a year. Determine the average angular velocity of the earth as it spins on its axis and orbits the sun. In each case take the positive direction for the angular displacement to be the direction of the earths motion
- A centrifuge in a medical laboratory rotates at an angular velocity of 3600 rev/min. When switched off, it rotates through 50.0 complete before coming to rest. what was the magnitude of the angular acceleratiom of the centrifuge as it slow down?A rock is wedged in the tread of wheel of a car and is 0.114 meters away from the center the axis of rotation). Calculate the tangential speed (in meters/second) of the rock when the wheel is rotating at 6.53 revolutions/second. Express your answer without units and as a positive number with two decimals.(a) What is the magnitude of the tangential acceleration of a bug on the rim of a 10.5-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 76.0 rev/min in 3.60 s? ] m/s² (b) When the disk is at its final speed, what is the magnitude of the tangential velocity of the bug? m/s (c) One second after the bug starts from rest, what is the magnitude of its tangential acceleration? m/s² (d) One second after the bug starts from rest, what is the magnitude of its centripetal acceleration? m/s² (e) One second after the bug starts from rest, what is its total acceleration? (Take the positive direction to be in the direction of motion.) magnitude m/s² direction from the radially inward direction Need Help? Read It
- During the last rotation, a hammer thrower maintains a constant acceleration of his hammer, from 28 m/s at the beginning of the rotation to 32 m/s at the time of release. a) If the radius of the hammer's rotations is 1.3 m, what is the total linear acceleration when the hammer has covered 3/4 of the last rotation? Steps: 1) Find the tangential acceleration of the hammer: m/s2 2) Find the tangential velocity after 3/4 of the final rotation: m/s. (Note, this is NOT just 3/4 of the way from 28 to 32 , because you travel further in a given time at higher speed.) 3) Find the radial acceleration of the hammer after 3/4 of the final rotation: m/s2. 4) Find the total acceleration after 3/4 of the final rotation: m/s2. b) How far will the throw go, if the initial launch angle is 41 degrees above the horizontal, 1.9 m above the ground. Steps: 1) Find the time-of-flight: s 2) Find the horizontal velocity: m/s 3) Find the horizontal distance: m.(a) What is the magnitude of the tangential acceleration of a bug on the rim of a 12.5-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 77.0 rev/min in 3.30 s? m/s² (b) When the disk is at its final speed, what is the magnitude of the tangential velocity of the bug? m/s (c) One second after the bug starts from rest, what is the magnitude of its tangential acceleration? m/s² (d) One second after the bug starts from rest, what is the magnitude of its centripetal acceleration? m/s² (e) One second after the bug starts from rest, what is its total acceleration? (Take the positive direction to be in the direction of motion.) magnitude m/s² direction ° from the radially inward directionA rotating space station is said to create "artificial gravity"—a loosely-defined term used for an acceleration that would be crudely similar to gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. If the space station is 210 m in diameter, what angular velocity would produce an "artificial gravity" of 9.80 m/s2 at the rim? ________ rpm
- A rotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. If the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s2 at the rim?A rotating space station is said to create “artificial gravity”: A loosely-defined term used for an acceleration that would be crudely similar to gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. If the space station is 180 meters in diameter, what angular velocity would produce an “artificial gravity” of 9.80 meters per second squared at the rim in radians per second?The tires of a car make 85 revolutions as the car reduces its speed uniformly from 87.0 km/hkm/h to 58.0 km/hkm/h. The tires have a diameter of 0.82 mm. What was the angular acceleration of the tires? If the car continues to decelerate at this rate, how much more time is required for it to stop? If the car continues to decelerate at this rate, how far does it go? Find the total distance.