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**fun with baseball and cannon sim. plz help?**

hey all, I was just curious about a few questions.

ok assuming a baseball weighs 5 ounces (and has a mass of .142kg)

how many newtons of force would it take to shoot the baseball 500meters at a 45degree angle assuming the target was level with the the cannon?

how many newtons to shoot it 100meters at the same angle?

And I don't know if my math is right, but it shows in order to get an object to shoot 500 meters at a 45 degree angle, would require it to travel at roughly 140 meters/sec.

i took

X=(vi^2 sin(theta)^2)/-a

500=((sin(45)Velocity)^2(sin45)^2)/9.8

and from there I get that Velocity = 140 m/sec

(If my math is right) how could i find out how how many newtons it would take to achieve a 140 meter/sec force on the .142kg baseball?

and how many newtons of pressure would it hit the target with?

could you please include your work and explain it as you do it.

this isn't homework, just curiosity.

thanks for any input

-James

Thanks for any help!