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OLEGan [10]
3 years ago
14

A bus is traveling with a uniform acceleration of 2.75 meters/second2. If the initial velocity of the bus is 16.5 meters/second,

what will its velocity be after 9.00 seconds?
Physics
1 answer:
Kaylis [27]3 years ago
8 0
<span>The velocity will be 41.25 m/s2 after 9 seconds. To find velocity after a specific time period, multiply the acceleration (2.75) times the number of seconds (9) to receive 24.75 m/s, then add that to the initial velocity of 16.5 m/s. 24.75 + 16.5 = 41.25 m/s2.</span>
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lukranit [14]

Answer: option 1 : the electric potential will decrease with an increase in y

Explanation: The electric potential (V) is related to distance (in this case y) by the formulae below

V = kq/y

Where k = 1/4πε0

Where V = electric potential,

k = electric constant = 9×10^9,

y = distance of potential relative to a reference point, ε0 = permittivity of free space

q = magnitude of electronic charge = 1.609×10^-19 c

From the formulae, we can see that q and k are constants, only potential (V) and distance (y) are variables.

We have that

V = k/y

We see the potential(V) is inversely proportional to distance (y).

This implies that an increase in distance results to a decreasing potential and a decrease in distance results to an increase in potential.

This fact makes option 1 the correct answer

3 0
3 years ago
In a single-slit diffraction experiment, a coherent light source illuminates a slit in a barrier, and the resulting pattern is p
UkoKoshka [18]

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4 0
2 years ago
What are the characteristics of scientific thinking and investigating
nignag [31]

Answer:

Explained

Explanation:

following are characteristics of scientific thinking and investigating

1. Critical thinking

2. A curious mind

3. Possessing a Skeptical attitude

4. Problem solving attitude

5.A obervant of empirical evidences

A scientific theory is a unifying and self-consistent explanation of fundamental natural processes or phenomena that is totally constructed of corroborated hypotheses

7 0
3 years ago
a backpack has a mass of 8 kg. it is lifted and given 54.9 J of gravitational potential energy. how high is is lifted? accelerat
dalvyx [7]
P=mgh
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8 0
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A force of 200N due South and another force of 300N due East each act on an object simultaneously.
dangina [55]

Answer:

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4 0
2 years ago
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