2. Athunderstorm is brewing in the distance. Upon seeing a flash of lightning you begincounting the seconds until you hear the thunder and notice that it toak 5 seconds for thesound of thunder to reach you. Assuming the speed of sound in air to be 340 m/s, esti-mate in miles how far away was the lightning strike?3. A car starts from rest and acelerates to a speed of 60 mph in 20 s. The acceieration dur-ing this period is constant. For the next 20 minutes the car moves with the constantspeed of 60 mph. At this time the driver of the car applies the brake and the car deceler-ates to a full stop in 10 s. The variation of the speed of the car with time is shown in theaccompanying diagram. Determine the total distance traveled by the car and the aver-age speed of the car over this distance.1220 1230Time (b 9:40IIく

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A thunderstorm is brewing in the distance. Upon seeing a flash of lightning you begin counting the seconds until you hear the thunder and notice that it toak 5 seconds for the sound of thunder to reach you. Assuming the speed of sound in air to be 340 m/s, esti- mate in miles how far away was the lightning strike?

A thunderstorm is brewing in the distance. Upon seeing a flash of lightning you begin counting the seconds until you hear the thunder and notice that it toak 5 seconds for the sound of thunder to reach you. Assuming the speed of sound in air to be 340 m/s, esti- mate in miles how far away was the lightning strike?

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter8: Time And Time-related Variables In Engineering

Section: Chapter Questions

Problem 31P

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State Plane Coordinate Systems

The state plane coordinate system (SPCS or SPS) is a collection of 124 coordinate systems or geographic zones prepared for particular regions of the U.S. Every state consists of one or more than one state plane zone, the boundaries of which generally follow the county lines. Inside the U.S., there are 110 zones in total, 10 more zones in Alaska, 5 in Hawaii, and 1 for Puerto Rico and US Virgin islands. The system is extensively used for geospatial and geographic data assembling by the state and local governments.

Question

2. Athunderstorm is brewing in the distance. Upon seeing a flash of lightning you begin
counting the seconds until you hear the thunder and notice that it toak 5 seconds for the
sound of thunder to reach you. Assuming the speed of sound in air to be 340 m/s, esti-
mate in miles how far away was the lightning strike?
3. A car starts from rest and acelerates to a speed of 60 mph in 20 s. The acceieration dur-
ing this period is constant. For the next 20 minutes the car moves with the constant
speed of 60 mph. At this time the driver of the car applies the brake and the car deceler-
ates to a full stop in 10 s. The variation of the speed of the car with time is shown in the
accompanying diagram. Determine the total distance traveled by the car and the aver-
age speed of the car over this distance.
1220 1230
Time (b

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