webassign.net | Hw3 - Ch 2 (Motion in One Dimensio) Chegg I Guided Solutions and

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webassign.net | Hw3 - Ch 2 (Motion in One Dimensio) Chegg I Guided Solutions and S tudy Help I Nee Master it d Help?Read It 11. 2/4 points | Previous Answers SerCP11 2.P.050 A small mailbag is released from a helicopter that is descending steadily at 2.91 m/s (a) After 5.00 s, what is the speed of the mailbag? v= 51.51 m/s (b) How far is it below the helicopter? d= 137.05 Your response differs from the correct answer by more than 10%. Double check your calculations. m (c) What are your answers to parts (a) and (b) if the helicopter is rising steadily at 2.91 m/s? v= 46.1 d= 108 Your response differs from the correct answer by more than 10%. Double check your calculations, m m/s Need Help?Read It Submit Answer Save Progress Practioe Another Version 12. 2/2 points | Previous Answers SerCP11 2.P.059. A student throws a set of keys vertically upward to his fraternity brother, who is in a window 4.40 m above. The brother's outstretched hand catches the keys direction. Indicate the direction with the sign of your answer.) (a) With what initial velocity were the keys thrown?

Explanation / Answer

b] relative distance is given by s = 0.5 gt^2. because there is no initial relative velocity.

= 0.5*9.8*5^2

= 122.5 m

c]. v = gt +u

= 5*9.8 - 2.91 = 46.09 m/s

d = 0.5 gt^2 = 0.5*9.8*5^2 = 122.5 m/s

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