Questions
A person goes 10 km north and 20 km east. What will be displacement from initial point?
a
22.36 km
b
2 km
c
5 km
d
20 km
detailed solution
Correct option is A
AC→ = AB→ +BC→AC = (AB)2+(BC)2 = (10)2+(20)2 = 100+400 = 500 = 22.36 kmTalk to our academic expert!
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