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Raymundo Sporer

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Q: If a 70-kg swimmer pushes off a pool wall with the force of 250N at which rate will the swimmer accelerate from the wall?
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How many lbs are in 250 newtons?

250N is 56.2 pounds at Earth's surface.


What are the theoretical mechanical advantages of the 3 different types of levers?

It depends on the output force and input force and what the levers look like. For example: if you can use a type one lever to lift 500 N with 100N, the adv would be 5. But, if you can only lift the 500N with 250N, then the adv is 2.


A skydiver who weighs 500 N reaches terminal velocity of 90kmh the air resistance on the diver is then?

250N


How do you find what percent 40 would be of 250?

40:250::n:100% 250n = 4000% n = 16%


What states are on 25N latitude?

250N Latitude passes just south of Brownsville TX in Mexico,) and through south Florida slightly north of Key West.


40kg rolled up a 10meters long rampHow much does the barrel weight and if a person excerted a focre of 250N to roll along the ramp what was the efficiency of the ramp?

And the question is????


If The force of gravity on the moon is approximately one sixth that of the earth The direct variation formula for weight on the earth compared to weight on the moon would be?

The force of gravity on the moon is approximately one sixth that of the earth. The direct variation formula for weight on the earth compared to weight on the moon would be weight on earth divided by 6 is equals to weight on the moon.


What would be the force required to stop a car of mass 100kg and a loaded truck of mass 10000kg in 2s if they were moving with the same velocity of 5 m per S?

Solving the car first: Using F=ma Assuming a linear deceleration, the car goes from 5m/s to 0m/s in 2 seconds. That is 2.5m/s^2 which is the acceleration. F=100*2.5 F=250N (100kg is very light for a car. A normal small car will weigh 1000kG and trucks will weigh usually between 5 to 50tonnes but can be over 1100 depending on the legal limit on the number of trailers a prime mover can tow) The truck will be 25kN


The weight of the body on the surface of the is 250N. calculate its weight at distance equal to half of radius of the earth below the surface of earth. (radius of earth6400km)?

This is hard to calculate precisely, due to the fact that Earth's density increases towards the center. However, you make a simplified calculation, by assuming a uniform density. Just calculate the ratio of the volume (and therefore, of mass) of a sphere which has half the radius of the Earth, and calculate the gravitational attraction (once again, you only need a ratio, compared to the complete Earth) on that object.