A projectile is fired at an angle of 30deg. above the horizontal from the top of a cliff 200 m high. The initial speed of a projectile is 600 m/s. How long was it in the air?

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A projectile is fired at an angle of 30deg. above the horizontal from the
top of a cliff 200 m high. The initial speed of a projectile is 600 m/s. How
long was it in the air? *
38s
64 s
52 s
62 s
A projectile is launched at an angle of 30 deg above the horizontal.
Neglecting air resistance, what are the projectile's horizontal and vertical
accelerations when it reaches its maximum height? *
Both the horizontal and vertical accelerations are 9.81 m/s2.
The horizontal acceleration is 9.81 m/s2 and the vertical acceleration is zero.
The horizontal acceleration is zero and the vertical acceleration is 9.81 m/s2.
Both the horizontal and vertical accelerations are zero.
Transcribed Image Text:A projectile is fired at an angle of 30deg. above the horizontal from the top of a cliff 200 m high. The initial speed of a projectile is 600 m/s. How long was it in the air? * 38s 64 s 52 s 62 s A projectile is launched at an angle of 30 deg above the horizontal. Neglecting air resistance, what are the projectile's horizontal and vertical accelerations when it reaches its maximum height? * Both the horizontal and vertical accelerations are 9.81 m/s2. The horizontal acceleration is 9.81 m/s2 and the vertical acceleration is zero. The horizontal acceleration is zero and the vertical acceleration is 9.81 m/s2. Both the horizontal and vertical accelerations are zero.
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