📅 2026-04-10

Daily Math Challenge

📚 Science ⭐ Hard 🎓 Grade 6-8
A 2 kg object is moving at 5 m/s. What is its kinetic energy? (KE = ½mv²)
Answer
25 joules

📝 Step-by-Step Solution

1
Mass: 2 kg
2
Velocity: 5 m/s
3
KE = ½ × 2 × 5² = ½ × 2 × 25 = 25 joules
💡 Helpful Hints
• Use formula: KE = ½mv²
• Square the velocity first