Two tugboats pull a disabled super-tanker. Each tug exerts a constant force of 2.1×106 N , one an angle 19 ∘ west of north and the other an angle 19 ∘ east of north, as they pull the tanker a distance 0.60 km toward the north. What is the total work they do on the super-tanker?
Answers: 2
Physics, 22.06.2019 05:00, ajajjsisi9x8
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Physics, 22.06.2019 21:10, ineedhelp2285
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. the athlete is able to rotate the ball at the rate of 8.13 rev/s when the length of the chain is 0.600 m. when he increases the length to 0.900 m, he is able to rotate the ball only 6.04 rev/s. (a) which rate of rotation gives the greater speed for the ball? 6.04 rev/s 8.13 rev/s (b) what is the centripetal acceleration of the ball at 8.13 rev/s? m/s2 (c) what is the centripetal acceleration at 6.04 rev/s? m/s2
Answers: 2
Two tugboats pull a disabled super-tanker. Each tug exerts a constant force of 2.1×106 N , one an an...
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