please help me its urgent please answer 6 and 7 questions please u will get 25 points and u will be marked as the brainllist please help
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1
a》it is difficult to walk on sand because when we apply force on sand it does not opposes the motion .
b》recoil of a heavy gun on firing is not so strong because the recoil speed of the gun is inversely proportional to the mass of the gun.
2
i》the maximum force is acting on the car during the time period of4s to 8s
ii》the car is retarding by 10m/s^2
iii》for 4s no force is acting on the car
a》it is difficult to walk on sand because when we apply force on sand it does not opposes the motion .
b》recoil of a heavy gun on firing is not so strong because the recoil speed of the gun is inversely proportional to the mass of the gun.
2
i》the maximum force is acting on the car during the time period of4s to 8s
ii》the car is retarding by 10m/s^2
iii》for 4s no force is acting on the car
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