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Q: A particle moves in a circular path of radius r with speed v. It then increases its speed to 2v…
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- A proton in a synchrotron is moving in a circle of radius 1 km and increasing its speed by v(t)=c1+c2t2 , where c1=2.0105m/s,c2=105m/s3 . (a) What is the proton’s total acceleration at t=5.0s ? (b) At what tine does the expression for the velocity become unphysical?Two speedboats are traveling at the same speed relative to the water in opposite directions in a moving river. An observer on the riverbank sees the boats moving at 4.0 m/s and 5.0 m/s. (a) What is the speed of the boats relative to the river? (b) How fast is the river moving relative to the shore?A runner runs around a circular track. He completes one lap at a time if t=497s at a constant speed of v=3.9m/s. What is the radius r in meters of the track?what was the runners centripetal acceleration ac in m/s^2 during the run?
- Given that r (t) = (3t cos t)j – (3t sin t) k , is the position В. vector of a moving particle, find the following quantities: 1. The velocity, speed, acceleration, and curvature of the particle, 2. The tangential and normal components of acceleration of the particle. B.i changes to this answer. Question 1 2.5poin A particle moves in a cirele path of radius r and speed v. It then increases its speed to 3 v while traveling aloug same circular The centripetal acceleration ar of the particle has changed by a factor: Oa. 4 O b. 5 O d. 9 O e. 12 A Moving to the next question prevents changes to this answer.9. A particle moves at a constant speed in a circular path with a radius of 2.06 cm. If the particle makes four revolutions each second, what is the magnitude of its acceleration? C. 13 m/s D. 15 m/s A. 20 m/s B. 18 m/s O A OD O B
- The Ferris wheel revolves once every two minutes. It has a radius of 60 ft and its center is located 64 ft from the ground. How fast is a passenger rising at the instant when she is 94 ft above the ground? a. 2.72 ft/s c. 0.433 ft/s b. 1.57 ft/s d. 3.79 ft/sH.W: A ball is thrown with an initial speed voat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point Vor 32m from the base of the building. Find v, and 0 Ans. 0 = -37.32v, = 20. 1m/s %3D 44ySpin Dizzzy. A 0.200 [g] bee flies at a constant speed along a horizontal circular path with a diameter of 84.0 [cm]. Suppose that the bee completes eight revolutions within 1.00 [min]. What is the magnitue of the acceleration of the bee? O 0.461 [m/s²] O 9.21 x 103 [m/s²] O 0.295 [m/s²] O 0.590 [m/s?]
- H.W: A ball is thrown with an initial speed vgat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point Vor 32m from the base of the building. Find vo and 0 Ans. 0 = -37.32v. = 20. 1m/s %3D 3223. A plane is circling the airport with a speed of 143ms. The radius of the plane’s path is 1945m. What is the acceleration of the plane?ac= ms2*Round your answer to the nearest thousandth if necessary.A particle follows a path of which the radial A position is described by r = (0.2 + 0.15 cose) mon Calculate the magnitude of the particles i b9992 241 acceleration when 0 = 30° 0 = 0.7 rad /sec, 0 = 0.5 rad /sec² in misec².obolimpom gnt stolala) S998 Im ni mal = 2 bovom. and of AscAsb 21 109 2910tting to 7 nöti200 Nothon SNT ISHIN 904 #Am (5) 203.2 = 1₁ coups me o volipas ant 11 20 = 8 21 NGHI209 Volupro 9m Smit 972 67 8 = 21 gloiting gn4 40 prodlev 904 90 91V 4 103 2100092 ni ei f TO T im 8 0 Anten ONE to NOHAT 0921