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Author Question: A plane flying horizontally at a speed of 50 m/s and at an elevation of 160 m drops a package, and ... (Read 188 times)

storky111

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on: Jul 29, 2018
A plane flying horizontally at a speed of 50 m/s and at an elevation of 160 m drops a package, and 2.0 s later it drops a second package. How far apart will the two packages land on the ground if air resistance is negligible?
 
  A) 100 m B) 160 m C) 320 m D) 180 m

Question 2

A hockey puck slides off the edge of a horizontal platform with an initial velocity of 28.0 m/shorizontally in a city where the acceleration due to gravity is 9.81 m/s2. The puck experiences no significant air resistance as it falls.
 
  The height of the platform above the ground is 2.00 m. What is the angle below the horizontal of the velocity of the puck just before it hits the ground?
  A) 77.2 B) 12.8 C) 31.8 D) 72.6 E) 12.6


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sylvia

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

E


storky111

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Reply #2 on: Jul 29, 2018
Thank you!


sylvia

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Reply #3 on: Jul 29, 2018
Always glad to help...


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