3.- An object is launched at a velocity of 20 m/s in a direction making an angle of 30° upward with the horizontal. a) What is the maximum height reached by the object? b) What is the total flight time of the object? c) What is the horizontal range of the object?
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An object is launched at a velocity of 20 m/s in a direction making an angle of 25° upward with the horizontal.a) What is the maximum height reached by the object?b) What is the total flight time (between launch and touching the ground) of the object?c) What is the horizontal range (maximum x above ground) of the object?
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An object is launched at a velocity of 20 m/s in a direction making an angle of 25° upward with the horizontal. a) What is the maximum height reached by the object? b) What is the total flight time (between launch and touching the ground) of the object? c) What is the horizontal range (maximum x above ground) of the object? d) What is the magnitude of the velocity of the object just before it hits the ground?
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A projectile is launched with an initial speed of 30 $\mathrm{m} / \mathrm{s}$ at an angle of $60^{\circ}$ above the horizontal. What are the (a) magnitude and (b) angle of its velocity 2.0 s after launch, and (c) is the angle above or below the horizontal? What are the (d) magnitude and (e) angle of its velocity 5.0 s after launch, and (f) is the angle above or below the horizontal?
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