Physics · Laws of Motion
An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass 1 kg moves with a speed of 12 m/s and the second part of mass 2 kg moves with a speed of 8 m/s. If the third part flies off with a speed of 4 m/s, then its mass is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 117 kg
- 27 kg
- 35 kg✓
- 43 kg
Correct answer
5 kg
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