You push a box of mass 20.6 kg with your car up to an icy hill slope of irregular shape to a height 4.3 m. The box has a speed 12.3 m/s when it starts up the hill, the same time that you brake. It then rises up to the top (with no friction) to a flat area before sliding into a box larger box of mass 19 kg. The boxes then fall off a sheer cliff together to the ground (with no drag). (a) What is the velocity of the pair just before hitting the ground? { Coordinate Form } (b) What is the velocity of the pair just before hitting the ground? { Vector Form } 2) (c) How much energy Is lost in the process? (d) What is the path basis just before impact? 12

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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You push a box of mass 20.6 kg with your car up to an icy hill slope of irregular shape to a height 4.3 m. The box has a speed 12.3 m/s when it starts up the hill, the same time that you brake. It then rises up to the top (with
no friction) to a flat area before sliding into a box larger box of mass 19 kg. The boxes then fall off a sheer cliff together to the ground (with no drag).
(a) What is the velocity of the pair just before hitting the ground? { Coordinate Form }
(b) What is the velocity of the pair just before hitting the ground? { Vector Form }
ý =
î )
(c) How much energy is lost in the process?
(d) What is the path basis just before impact?
=
n =
文+
6 =
文+
Transcribed Image Text:You push a box of mass 20.6 kg with your car up to an icy hill slope of irregular shape to a height 4.3 m. The box has a speed 12.3 m/s when it starts up the hill, the same time that you brake. It then rises up to the top (with no friction) to a flat area before sliding into a box larger box of mass 19 kg. The boxes then fall off a sheer cliff together to the ground (with no drag). (a) What is the velocity of the pair just before hitting the ground? { Coordinate Form } (b) What is the velocity of the pair just before hitting the ground? { Vector Form } ý = î ) (c) How much energy is lost in the process? (d) What is the path basis just before impact? = n = 文+ 6 = 文+
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