Two tugboats pull a disabled supertanker. each tug exerts a constant force of 1.70×106 n , one at an angle 19.0 ∘ west of north, and the other at an angle 19.0 ∘ east of north, as they pull the tanker a distance 0.840 km toward the north. gwhat is the total work done by the two tugboats on the supertanker? express your answer in joules, to three significant figures.
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Physics, 21.06.2019 23:00
In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?
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Physics, 22.06.2019 00:40
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
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The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .
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Physics, 22.06.2019 06:40
How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.
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Two tugboats pull a disabled supertanker. each tug exerts a constant force of 1.70×106 n , one at an...
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