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maxonik [38]
3 years ago
15

Would an oil ship moving at a speed of 10km/h have more or less momentum than a car moving at a speed of 100km/h? Explain your a

nswer
Physics
2 answers:
Rufina [12.5K]3 years ago
7 0

Answer:

Multiply the mass times the speed for both, then compare.I would expect the mass of the oil ship to be more than 10 times the mass of the car, in which case its momentum would be greater.

PLZ MARK BRAINLIEST

lesantik [10]3 years ago
3 0

Answer: The ship has more momentum

Explanation: The momentum is defined as the amount of motion of an object, and it can be calculated as:

P = M*v

Where M is the mass and v is the velocity.

So we know that the velocity of an oil ship is around 10km/h and one of the cars is around 100km/h (the velocity of the car is 10 times the one of the ship)

But the mass of the oil ship is a lot bigger than the one of the car, for example, a car weighs around 2900 pounds, and an average oil ship carries a few hundred tons of oil, where a ton is 2000 pounds, so the mass of the oil ship is (only in the charge) around 100 times bigger than the one of the car, so the momentum of the ship will be a lot bigger than the one of the car.

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Answer:

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q = charge on the singly charged positive ion = 1.6 x 10⁻¹⁹ C

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Using conservation of energy

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(0.5) m v^{2} = q \Delta V\\(0.5) (3.46\times10^{-26}) v^{2} = (1.6\times10^{-19}) (215)\\(1.73\times10^{-26}) v^{2} = 344\times10^{-19}\\v = 4.5\times10^{4} ms^{-1}

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the magnetic force on the ion provides the necessary centripetal force, hence

qvB = \frac{mv^{2} }{r} \\qB = \frac{mv}{r}\\r =\frac{mv}{qB}\\r =\frac{(3.46\times10^{-26})(4.5\times10^{4})}{(1.6\times10^{-19})(0.522)}\\r = 0.018 m \\r = 1.8 cm

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