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OLEGan [10]
3 years ago
5

HIII DROPPING COINS YALL

Physics
2 answers:
suter [353]3 years ago
8 0

Answer:

tysm

Explanation:

Leona [35]3 years ago
4 0

Answer:

OMG THANK U SO MUCH I NEEDED THEMMMMM

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A car is moving South at a constant speed of 60 miles per hour. The force of the
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Answer: 750 N

Explanation:

The net force is 1200 - 450 = 750 N

As we are told the speed is constant, then this force must be increasing the car's potential energy by climbing a hill.

F = mgsinθ

If we knew the car mass, we could find the hill slope angle.

If we knew the hill slope angle, we could find the car mass.

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4 years ago
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A lawyer drives from her​ home, located 1 mile east and 8 miles north of the town​ courthouse, to her​ office, located 4 miles w
givi [52]

Answer:

d = 13 miles

Explanation:

Lets say the position of court house is origin in this case

her office is located at 4 miles west and 4 miles south of court house

so here we have coordinate of the office with respect to court house is given as

r_1 = (-4\hat i - 4\hat j)

now the position of her home is located at 1 miles east and 8 miles north of the court house

so the coordinates of her home is given as

r_2 = (1\hat i + 8 \hat j)

now the change in the position is given as the distance between office and home

d = r_2 - r_1

d = 5 \hat i + 12 \hat j

d = \sqrt{5^2 + 12^2} = 13 miles

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4 years ago
Parachutes utilize maximum air ____ in order to limit the acceleration of the fall.
eduard

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