Find the Speed of a Particle in a Circular Orbit

question 81

Multiple Choice

Find the speed of a particle in a circular orbit with radius 10²¹m around an object of mass 10¹⁸kg. (G = 6.67 *10^-11m/kg·s²)

• A) 1.50 * 10¹³m/s
• B) 6.67*10^-14m/s
• C) 3.87 * 10⁶m/s
• D) 2.58 * 10^-7m/s
• E) 4.91 *10^-7m/s

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Definitions:

Voltage Drop

The decrease in electrical potential along the path of a current flowing in an electrical circuit, affecting the circuit's performance.

Power Consumed

The total amount of energy used by a device or system during its operation.

Lightbulb

A device that emits light when an electrical current passes through it, available in various types for differing lighting applications.

Dead Short

An electrical fault characterized by a direct current path that allows a surge of electrical current, potentially causing damage or fire.