Laws Of Motion Question 183

Question: An object with a mass 10 kg moves at a constant velocity of 10 m/sec. A constant force then acts for 4 second on the object and gives it a speed of 2 m/sec in opposite direction. The acceleration produced in it, is[CPMT 1971]

Options:

A)3m/sec2

B) 3m/sec2

C) 0.3m/sec2

D) 0.3m/sec2

Show Answer

Answer:

Correct Answer: B

Solution:

a=v2v1t=(2)(+10)4=124=3 m/s2



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक