If the gravitational potential at a point is -15 J/kg and the gravitational fiel

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What’s inside this PDF?

Question: If the gravitational potential at a point is -15 J/kg and the gravitational field strength is constant at 3 N/kg, what is the distance from the mass?

Options:

5 m
10 m
15 m
20 m

Correct Answer: 10 m

Solution:

Using V = -g * r, we have -15 = -3 * r, thus r = 15/3 = 5 m.

If the gravitational potential at a point is -15 J/kg and the gravitational fiel

Practice Questions

If the gravitational potential at a point is -15 J/kg and the gravitational field strength is constant at 3 N/kg, what is the distance from the mass?

5 m
10 m
15 m
20 m

Questions & Step-by-Step Solutions

If the gravitational potential at a point is -15 J/kg and the gravitational field strength is constant at 3 N/kg, what is the distance from the mass?

Step 1: Understand the formula for gravitational potential (V) which is V = -g * r, where V is the gravitational potential, g is the gravitational field strength, and r is the distance from the mass.
Step 2: Identify the values given in the question: V = -15 J/kg and g = 3 N/kg.
Step 3: Substitute the values into the formula: -15 = -3 * r.
Step 4: To solve for r, first remove the negative signs: 15 = 3 * r.
Step 5: Divide both sides by 3 to isolate r: r = 15 / 3.
Step 6: Calculate the value: r = 5 m.

Gravitational Potential and Field Strength – Understanding the relationship between gravitational potential (V), gravitational field strength (g), and distance (r) using the formula V = -g * r.

If the gravitational potential at a point is -15 J/kg and the gravitational fiel

What’s inside this PDF?

If the gravitational potential at a point is -15 J/kg and the gravitational fiel

Practice Questions

Questions & Step-by-Step Solutions

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