find the velocity after time 2 second u is 20 m/sec , g is 10 , tetta is 30° using formula v²=✓u² +g²t²-2ugtsin
Answers
Answered by
1
Answer:
√20
Step-by-step explanation:
v² = √u² + g²t² - 2ugtsin theta
v² = √(20)² + (10)²(2)² - 2(20)(10)(2)sin 30°
v² = √400 + 4(100) - 2(400)(1/2)
v² = √800 - 800/2
v² = √800 - 400
v² = √400
v² = √(20)²
v² = 20
v = √20
Similar questions