Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.20×10^6 N , one at an angle 11.0 ∘ west of north, and the other at an angle 11.0 ∘ east of north, as they pull the tanker a distance 0.660 km toward the north. What is the total work done by the two tugboats on the supertankers?

The mass of a muon is 207 times the electron mass; the average lifetime of muons at rest is 2.21 μs. in a certain experiment, muons moving through a laboratory are measured to have an average lifetime of 7.04 μs. for the moving muons, what are (a) β (b) k, and (c) p? the rest energy of the electron is 0.511 mev.

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

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