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anonymous
 3 years ago
Kinematic
1) Terry threw a baseball high above his head and then caught it again before it hits the ground. it total flight time was 5seconds. ignoring air resistance.
Calculate the speed at which Terry flung the ball into the air
anonymous
 3 years ago
Kinematic 1) Terry threw a baseball high above his head and then caught it again before it hits the ground. it total flight time was 5seconds. ignoring air resistance. Calculate the speed at which Terry flung the ball into the air

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Use 1 dimensional equation of motion

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1my idea is: Vf = Vi  gt Vi = Vf + gt Vf = 0 when the ball is at its highest point, and it takes half the time to get there. Vi = gt/2 If we were to simple drop the ball, how fast would it be going after 2.5 secs?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Considering the symmetry of projectile motion you can take the time to reach the maximum height to be half of the total time of flight. So t= 2.5 s. Next a=g. vf = 0 Now use eqn of motion to find vi.
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