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jek_recluse [69]
2 years ago
5

Please help me, anybody?

Physics
2 answers:
notsponge [240]2 years ago
6 0
I will mark brainlist

can someone please help me write an autobiographical narrative story


Topic -
Time for a Change: Recall a time of change in your life. Maybe it was a time when you changed schools, moved to a new home, or added a new member to your family. Write an autobiographical narrative that describes this time of change and explains how that change affected you.
babymother [125]2 years ago
6 0

call 911 and they will help you

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A particle moves along a straight line with equation of motion s = f(t), where s is measured in meters and t in seconds. Find th
Igoryamba

A particle moves along a straight line with equation of motion s = f(t), where s is measured in meters and t in seconds. Find the velocity and the speed when t = 4. f(t) = 12t² + 35 t + 1

Answer:

Velocity = 131 m/s

Speed = 131 m/s

Explanation:

Equation of motion, s = f(t) = 12t² + 35 t + 1

To get velocity of the particle, let us find the first derivative of s

v (t) = ds/dt = 24t + 35

At t = 4

v(4) = 24(4) + 35

v(4) = 131 m/s

Speed is the magnitude of velocity. Since the velocity is already positive, speed is also 131 m/s

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2 years ago
Q3. A man walks with a speed of 8 m/sec in 40 sec. How much distance was covered?
chubhunter [2.5K]

Answer:

it is320 m.

Explanation:

by formula

d= m/s×t

d= 8× 40

d=320 m

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