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alukav5142 [94]
3 years ago
10

What is the displacement of the runner, whose velocity versus time graph is shown in the Figure, in the first 15.5 s?

Physics
1 answer:
muminat3 years ago
6 0

Answer:

10 displacement of the runner

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Two particles A and B start simultaneously from a Point P with velocities 20 m/s and 30 m/s respectively. A and B move with acce
zysi [14]

Answer:

<u>20 m/s</u>

Explanation:

<u>Given</u>

  • u(A) = 20 m/s
  • u(B) = 30 m/s
  • acceleration equal in magnitude but opposite in direction

<u>Solving</u>

  • Velocity of A at Q = 30 m/s
  • From, P to Q, <u>Δv(A) = 30 - 20 = +10 m/s</u>
  • Therefore, velocity of B at Q will be decreased by 10 as it is equal in magnitude but opposite in direction to A
  • Δv(B) = v(B at Q) - u(B at P)
  • -10 m/s = v(B at Q) - 30 m/s
  • v(B at Q) = 30 - 10 = <u>20 m/s</u>
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2 years ago
Which are characteristics of the image formed by an
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Answer:

The image is real.

The image is inverted.

The image is bigger than the object.

Explanation:

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3 years ago
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Ice core samples are used to measure…
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Little Red Riding Hood goes to Grandma's house, which is located 4,900 m away to
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Time = distance divided by speed
4,900 divide 1.5 = 3266.67
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An object with a starting velocity of 15 m/s accelerates at 3m/s2 how far does the object travel within 10 seconds
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Use the kinematics equation:
d = vt + 1/2at^2.
In this problem,
v = 15 m/s.
a = 3 m/s^2,
t = 10 s,
So:
d = 15(10) + 1/2*(3)*(10^2) = 300 meters
7 0
3 years ago
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