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1. A person holds a rifle horizontally and fires at a target. The bullet has a muzzle speed of 195 m/s, and the person hears the bullet strike the target 1.30 s after firing it. The air temperature is 85°F. What is the distance to the target? X 253.5 m

1. A person holds a rifle horizontally and fires at a target. The bullet has a muzzle speed of 195 m/s, and the person hears the bullet strike the target 1.30 s after firing it. The air temperature is 85°F. What is the distance to the target? X 253.5 m

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. A person holds a rifle horizontally and fires at a target. The bullet has a muzzle speed of 195 m/s, and the person hears the bullet strike the target 1.30 s after firing it. The air temperature is 85°F. What is the distance to the target? X 253.5 m 2. A hiker shouts and hears the echo reflected from a cliff wall 3.90 s later. If the air temperature is 25°C, how far is the hiker from the cliff? (Assume no wind.) 80 F3 3. The driver of a truck parked on a mountain road give the air horn a quick blast toward a rock cliff 0.600 km away. If he hears the echo 3.55 s later, what is the approximate air temperature at this mountain elevation? X-86.65 °C $ 25 000 m F4 F5 tv 9 MacBook Air F6 2016/09 F7 DII F8 F9 F10 zoom F11 F12
Transcribed Image Text:1. A person holds a rifle horizontally and fires at a target. The bullet has a muzzle speed of 195 m/s, and the person hears the bullet strike the target 1.30 s after firing it. The air temperature is 85°F. What is the distance to the target? X 253.5 m 2. A hiker shouts and hears the echo reflected from a cliff wall 3.90 s later. If the air temperature is 25°C, how far is the hiker from the cliff? (Assume no wind.) 80 F3 3. The driver of a truck parked on a mountain road give the air horn a quick blast toward a rock cliff 0.600 km away. If he hears the echo 3.55 s later, what is the approximate air temperature at this mountain elevation? X-86.65 °C $ 25 000 m F4 F5 tv 9 MacBook Air F6 2016/09 F7 DII F8 F9 F10 zoom F11 F12
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