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ইলেকট্রিক্যাল এন্ড ইলেকট্রনিক ইঞ্জিনিয়ারিং

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961. MCQPractice set · Question 28

Rest থেকে constant acceleration-এ displacement-এর equation কী?

a.
s=ut
b.
s=½at²
c.
s=vt
d.
s=a/t

Correct answer: b

u=0 বসালে s=½at²।

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962. MCQPractice set · Question 29

Rest থেকে শুরু করে a=2 m/s², t=5 s হলে final velocity কত?

a.
2 m/s
b.
5 m/s
c.
10 m/s
d.
25 m/s

Correct answer: c

v=u+at=0+2×5=10 m/s।

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963. MCQPractice set · Question 30

Rest থেকে a=2 m/s², t=5 s হলে displacement কত?

a.
10 m
b.
20 m
c.
25 m
d.
50 m

Correct answer: c

s=½at²=½×2×25=25 m।

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964. MCQPractice set · Question 31

u=5 m/s, a=2 m/s², t=3 s হলে v কত?

a.
7 m/s
b.
9 m/s
c.
11 m/s
d.
15 m/s

Correct answer: c

v=u+at=5+2×3=11 m/s।

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965. MCQPractice set · Question 32

u=5 m/s, a=2 m/s², t=3 s হলে s কত?

a.
21 m
b.
24 m
c.
27 m
d.
30 m

Correct answer: b

s=ut+½at²=15+9=24 m।

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966. MCQPractice set · Question 33

u=10 m/s, v=20 m/s, t=5 s হলে acceleration কত?

a.
1 m/s²
b.
2 m/s²
c.
5 m/s²
d.
10 m/s²

Correct answer: b

a=(v−u)/t=(20−10)/5=2 m/s²।

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967. MCQPractice set · Question 34

u=10 m/s, v=20 m/s, t=5 s হলে average velocity কত?

a.
10 m/s
b.
15 m/s
c.
20 m/s
d.
30 m/s

Correct answer: b

Uniform acceleration-এ average velocity=(u+v)/2=15 m/s।

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968. MCQPractice set · Question 35

Constant acceleration-এ average velocity-এর formula কী?

a.
u+v
b.
(u+v)/2
c.
uv
d.
v−u

Correct answer: b

Initial ও final velocity-এর arithmetic mean average velocity।

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969. MCQPractice set · Question 36

Average speed-এর formula কী?

a.
total distance/total time
b.
total displacement/total time
c.
u+v
d.
force/mass

Correct answer: a

Average speed path-এর total distance দিয়ে নির্ধারিত হয়।

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970. MCQPractice set · Question 37

Average velocity-এর formula কী?

a.
total distance/time
b.
total displacement/time
c.
total mass/time
d.
speed×time

Correct answer: b

Average velocity = total displacement/total elapsed time।

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