Caleb is swinging rachel in a circle with a centripetal force of 533 n. if the radius of the circle is 0.75 m and rachel has a mass of 16.4 kg, how fast is rachel moving? round to the nearest tenth. m/s

4.3 m/s

Explanation:

The centripetal force is given by

where

m is the mass of the object

v is the speed

r is the radius of the circular trajectory

In this problem, we know:

- the centripetal force: F = 533 N

- the radius of the circle: r = 0.75 m

- the mass of the object (Rachel): m = 16.4 kg

Therefore, we can re-arrange the formula above to find the speed of Rachel:

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explanation: in any substance/object, the particles inside it (atoms/molecules) constantly move in random directions and with random speeds (this motion is called brownian motion). as a result, the particles have some kinetic energy (which is proportional to the temperature of the substance).

explanation:

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