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course Phy 201
Question: `q001. There are two parts to this problem. Reason them out using common sense.
If the speed of an automobile changes by 2 mph every second, then how long will it take the speedometer to move from the 20 mph mark to the 30 mph mark?
Given the same rate of change of speed, if the speedometer initially reads 10 mph, what will it read 7 seconds later?
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Your solution:
30 MPH - 20 MPH = 10 MPH 10 / 2 = 5 seconds
confidence rating #$&*:
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Self-critique (if necessary):OK
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Self-critique Rating:3
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
Your solution:
10 MPH + 2 MPH every second for 7 second = 14 MPH
Answer == 24 MPH
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Self-critique (if necessary):
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Self-critique rating:
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
Your solution:
10 MPH + 2 MPH every second for 7 second = 14 MPH
Answer == 24 MPH
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Self-critique (if necessary):
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Self-critique rating:
#*&!
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Good start, but there are about 10 more questions in the document.
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