Asked by Nathan
A baseball is hit straight up into the air at an initial velocity of 35 m/s. How long does it take for the
baseball to reach its highest position?
and
As a traffic light turns green, a car at rest begins to move forward at a uniform acceleration of 3.1 m/s^2 [E] the same time, a truck passes through the intersection travelling at a constant velocity of 15 m.s [E] At what time does the car pass the truck?
baseball to reach its highest position?
and
As a traffic light turns green, a car at rest begins to move forward at a uniform acceleration of 3.1 m/s^2 [E] the same time, a truck passes through the intersection travelling at a constant velocity of 15 m.s [E] At what time does the car pass the truck?
Answers
Answered by
oobleck
v = 35 - 9.81t
when is v=0?
1/2 * 3.1 t^2 = 15t
when is v=0?
1/2 * 3.1 t^2 = 15t
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