An object in circular motion has velocity that is constantly changing. The direction of the acceleration is

Physics

1 answer:

sertanlavr [38]3 years ago

8 0

An object in circular motion has velocity that is constantly changing.

The direction of the acceleration is from the object toward the center of the circular path the object is following.

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Explanation:

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If a ball is thrown into the air with a velocity of 36 ft/s, its height (in feet) after t seconds is given by y = 36t − 16t2. fi

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"(1) a satellite moving around Earth in a circular orbit" is the only option from the list that describes an object in equilibrium, since velocity and gravity are working together to keep the orbit constant.

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Two 0.50 g spheres are charged equally and placed 2.5 cm apart. When released, they begin to accelerate at 170 m/s^2 .What is th

vitfil [10]

Answer:

$q=7.65*10^{-8}C$

Explanation:

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The magnitude of the charge in both spheres is the same. So, we calculate the charge, using Coulomb's law:

$F=\frac{kq^2}{d^2}\\q=\sqrt\frac{Fd^2}{k}\\q=\sqrt\frac{(0.085N)(2.5*10^{-2}m)^2}{8.99*10^9\frac{N\cdot m^2}{C^2}}\\q=7.65*10^{-8}C$

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