Vlocity Velocity

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Vlocity Velocity

September 23rd, 2009 admin Leave a comment Go to comments

Vlocity Velocity
solve the equation using the method of your choice and leave it simplifed in radical form when neccessary?

my teacher said you can only use square roots,quadratics or factoring =) tell me which method you are using =) thanks

1. 1/3×2=48
2. 2×2-x=1
3.square root of 2-x=2-x
4. the square root of xy3 times the square root of x3y
ps: i couldnt put the square root for # 3 and 4 sorry

i need help solving this problem:
Centripetal force is a force that keeps an object moving in a circular path. The formula for the velocity v(inmeters per second) of an object moving in a circle with radius r meters is
v=the square root of F*r*m over m, where F is the centripetal force (measured in units called Newtons) and m is the mass (in kilograms) of the object.

The mass of an object is 40 kilograms. What centripetal force is needed to keep the object moving at a vlocity of 15 meters per second in a circle with radius 90 meters?

ps: i dont know how to put the squareroot symbol on the i paragraph
thanks alot you guys
this sign * means times lol

the first one doesn’t make sense

2 times 2 minus x = 1

4 minus x = 1

x = 3

Square root of 2 minus x equals 2 – x

What number has a square root equal to inself? 1 does

therefore, 2 – x = 1

x = 1

the 4 th one

is square root of x^4 times y^4

equals x^2Y^2

this is x squared y squared