pls let me know the ans of those 3 questions please
Home
/
pls let me know the ans of those 3 questions please
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Verified answer
Answer:
1.area of f-t graph gives impulse.
hence from the graph impulse(j)=1/2×100×(10-1)
=450kgm/s^2
2.impulse is same as momentum hence we can say that j=mv
450=(200×10^-3)v
v=2250m/s.
3.Ft=j
same time and same impulse as given implies same force .hence the force is as in first graph 100N
Explanation: