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Sample Question 5:
Step 1: During the 10 seconds, calculate how far the sound traveled by multiplying the speed of sound by the time. So, \(1088 \times 10 = 10880\) feet.
Step 2: To convert this distance to miles, divide the total feet by the number of feet in a mile. So, \(\frac{10880}{5280} \approx 2\) miles.
So, Snoopy was approximately 2 miles away from the flash of lightning. The correct answer is (C).
On a dark and stormy night Snoopy suddenly saw a flash of lightning. Ten seconds later he heard the sound of thunder. The speed of sound is 1088 feet per second and one mile is 5280 feet. Estimate, to the nearest half-mile, how far Snoopy was from the flash of lightning.
\(\text{(A)}\ 1 \qquad \text{(B)}\ 1\frac{1}{2} \qquad \text{(C)}\ 2 \qquad \text{(D)}\ 2\frac{1}{2} \qquad \text{(E)}\ 3\)
Answer Keys
Question 5: CSolutions
Question 5Step 1: During the 10 seconds, calculate how far the sound traveled by multiplying the speed of sound by the time. So, \(1088 \times 10 = 10880\) feet.
Step 2: To convert this distance to miles, divide the total feet by the number of feet in a mile. So, \(\frac{10880}{5280} \approx 2\) miles.
So, Snoopy was approximately 2 miles away from the flash of lightning. The correct answer is (C).