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Answer:
At (approximately
.)
Explanation:
Note that the acceleration of the car between and
(
) is constant. Initial velocity of the car was
, whereas
at
. Hence, at
, this car would have travelled a distance of:
.
At , the truck would have travelled a distance of
.
In other words, at , the truck was
ahead of the car. The velocity of the car is greater than that of the truck by
. It would take another
before the car catches up with the truck.
Hence, the car would catch up with the truck at .
2m/s²
Explanation:
Given parameters:
Radius = 50m
Speed = 10m/s
Unknown:
Acceleration of the cyclist
Solution:
The acceleration of the cyclist is directed inside of the corner because his motion is inward. This is a form of centripetal acceleration;
Centripetal acceleration is given by;
a =
v is the velocity
r is the radius
a = = 2m/s²
learn more:
Acceleration brainly.com/question/3820012
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