In 2014, about how far in meters would you have to travel on the surface of the Earth from the North Magnetic Pole to the Geogra
1 answer:
Answer:
267.07 km
Explanation:
We have given the radius of the earth = 6378.1 km
In 2014 the difference between the magnetic north pole and geographical north pole is 2.40°
2.40°
We know that linear distance is given by
So we have to travel 267.07 km in going from magnetic north pole to geographic north pole
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when the ball hits the floor and bounces back the momentum of the ball changes.
the rate of change of momentum is the force exerted by the floor on it.
the equation for the force exerted is
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v is the final velocity which is - 3.85 m/s
u is initial velocity - 4.23 m/s
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time is the impact time of the ball in contact with the floor - 0.0266 s
substituting the values
since the ball is going down, we take that as negative and ball going upwards as positive.
f = 189 N
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