For Problem 2: What is the maximum height of the rock? * 5.1 m 0.51 m 10.2 m 2.5

Question

For Problem 2: What is the maximum height of the rock? *

• 5.1 m
• 0.51 m
• 10.2 m
• 2.55 m

For Problem 2: What is the maximum height of the rock? *

• 5.1 m
• 0.51 m
• 10.2 m
• 2.55 m

For Problem 2: What is the maximum height of the rock? *

• 5.1 m
• 0.51 m
• 10.2 m
• 2.55 m

For Problem 2: What is the maximum height of the rock? * For Problem 2: How long does it take to reach apogee? *

• 1.02 s
• 0.72 s
• 1.42 s

For Problem 2: How long does it take to reach apogee? *

• 1.02 s
• 0.72 s
• 1.42 s

For Problem 2: How long does it take to reach apogee? *

• 1.02 s
• 0.72 s
• 1.42 s

For Problem 2: How long does it take to reach apogee? * For Problem 2: How far horizontally does the rock land? *

• 7.22 m
• 10.2 m
• 20.4 m

For Problem 2: How far horizontally does the rock land? *

• 7.22 m
• 10.2 m
• 20.4 m

For Problem 2: How far horizontally does the rock land? *

• 7.22 m
• 10.2 m
• 20.4 m

For Problem 2: How far horizontally does the rock land? * For Problem 2: What is the speed of the rock right before landing? *

Explanation / Answer

1. Hnmax = u^2 sin ^2 theta/2g

Hmax = 10*10* sin^2( 45)/2*9.8

Hmax = 2.55 m

2. t= u/g = 10/.9.8 = 1.02 s

3/ Range R = U^2 sin 2 theta/g = 10*10 * sin 90/9.8 = 100/9.8 = 10.2 m

4. V = u sin theta = 10* sin 45 = 7.07 m/s

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