13. A projectile's launch speed is five times its speed at maximum height. Find launch angle 60. 14 An Farth satellite moves in a ciroulo.

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13. A projectile's launch speed is five times its speed at maximum height. Find launch
angle 60.
14. An Earth satellite moves in a circular orbit 640 km (uniform circular motion) above
Earths surface with a period of 98.0 min. What are (a) the speed and (b) the
magnitude of the centripetal acceleration of the satellite?
Transcribed Image Text:13. A projectile's launch speed is five times its speed at maximum height. Find launch angle 60. 14. An Earth satellite moves in a circular orbit 640 km (uniform circular motion) above Earths surface with a period of 98.0 min. What are (a) the speed and (b) the magnitude of the centripetal acceleration of the satellite?
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