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15956

= 200 g.

m = 40 g , 1= 10 m / s,

.

t = 0,1 s

, 2= 2 m / s, :

1. ,

2. ,

3.

,

4.

- .

.

kgkggM 11022,0200

kggm 210440

1. skgmmp /108 2

22

,...

:

)()( pp

Ppp 21 0 MVmm 21

VM

m 21

smV /6,1

2.

,.,

12 ppp

skgmppp /1032 212

,.

3. :

tpF

tpF NF 2,3

()

https://fysikafysikh.files.wordpress.com/2014/11/15956-b-kat.jpg

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:

t

pF

t

pF

0NF 2,3

()

F

F

.

4. 2

( ):

Jm 22

1 21

2 (

):

JMVm 036,02

1

2

1 222

,: %2,83%100%

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