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3 years ago

9

A child in a boat throws a 5.10-kg package out horizontally with a speed of 10.0 m/s. the mass of the child is 27.6 kg and the m

ass of the boat is 34.2 kg calculate the velocity of the boat immediately after, assuming it was initially at rest.

1 answer:

lapo4ka [179]3 years ago

7 0

I am totally lost with this sorry

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givi [52]

Answer:

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Explanation:

Step one:

given

distance = 20meters

time = 2 seconds

initial velocity u= 0m/s

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velocity= 20/2

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$v^2=u^2+2as\\\\10^2=0^2+2*a*20\\\\100=40a$

divide both sides by 40

$a= 100/40\\\\a=10/4\\\\a= 5/2\\\\a= 2.5m/s^2$

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levacccp [35]

maximum speed of cheetah is

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$v_2 = v_{g}$

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