8:24 PM loncapa1.fsu.edu oo AT&T; Catapult A catapult on a cliff launches a larg

Question

8:24 PM loncapa1.fsu.edu oo AT&T; Catapult A catapult on a cliff launches a large round rock towards a ship on the ocean below The rock leaves the catapult from a height H of 34.0 m above sea level, directed at an angle above the horizontal with an unknown speed vo The projectile remains in flight for 6.00 seconds and travels a horizontal distance D of 179.0 m. Assuming that air friction can be neglected, calculate the value of the angle . 3.85×101 deg You are correct. Your receipt no. is 163- 6514 Previous Tries Calculate the sneedat which the rock ic

Explanation / Answer

Here ,

time of flight, t = 6 s

D = 179 m

H = 34 m

as the initial speed , v = 38.1 m/s

maximum height above sea level = 34 + (v * sin(theta))^2/(2*g)

maximum height above sea level = 34 + (38.1 * sin(38.5))^2/(2 * 9.8)

maximum height above sea level = 62.71 m

the maximum height above sea level is 62.71 m

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at the maximum height

the vertical component of velocity is zero

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