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06.07.2019 •
Mathematics
50 pts a cyclist travels at distance of 400 meters in 120 seconds towards school, calculate his speed. (show your work) calculate his velocity if the direction is north east (ne) the cyclist in practice question 2, comes to a stop position within 15 seconds. calculate his acceleration. (show your work) is this an example of positive or negative acceleration?
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Ответ:
1. Speed = 3.33333 Meters per second, 400/120=3.33333, average speed = total distance/elapsed time
2. Velocity = 3.33333 Meters, 400/120, V = distance / time
3. Acceleration = -0.222222
, acceleration = (velocity2 - velocity1) / time
acceleration = net_force / mass
Ответ:
So,
The answer is 60%