please tell me amswer of this fast it is urgent
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answer of 9= (c) 1/2mv2
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7.Net accelerating force=35000N
for the second subdivision:
Acceleration=Force/mass
a=35000/18000
a=1.94ms^2
Force of wagon 1 on 2=mass of 4 wagons*acceleration
Force=8000*1.94
Force=15,520N
8. Force=Mass*acceleration
Force=1500*-1.7
Force=-2550N
9. MV
10. 0N
for the second subdivision:
Acceleration=Force/mass
a=35000/18000
a=1.94ms^2
Force of wagon 1 on 2=mass of 4 wagons*acceleration
Force=8000*1.94
Force=15,520N
8. Force=Mass*acceleration
Force=1500*-1.7
Force=-2550N
9. MV
10. 0N
hbp77as:
The last question answer is actually -200N.Sorry to send the wrong answer
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