A Comet Fragment of Mass 1

question 7

Multiple Choice

A comet fragment of mass 1.96 × 10¹³ kg is moving at 6.50 × 10⁴ m/s when it crashes into Callisto, a moon of Jupiter. The mass of Callisto is 1.08 × 10²³ kg. The collision is completely inelastic.
-How much kinetic energy was released in the collision?

• A)8.28 × 10²² J
• B)3.51 × 10²⁷ J
• C)7.02 × 10²⁷ J
• D)4.14 × 10²² J
• E)1.50 × 10¹³ J

---

Definitions:

At-risk Amount

The amount of money an investor could lose in an investment, emphasizing the capital actually at risk.

Passive Loss Rules

U.S. tax regulations that restrict the amount of losses investors can claim from passive activities to the amount of income generated by those activities.

Gain(Loss)

The profit or shortfall realized from an investment when comparing the sale price to the original purchase price.

At-risk Amount

The maximum amount of money an investor in certain activities can claim as a deduction or loss, limited to the actual cash, property, or borrowed amounts for which they are personally at risk.