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Helen [10]
3 years ago
7

The magnification is less than 1 what does it mean​

Physics
1 answer:
igomit [66]3 years ago
4 0
If magnification is less than one it means the image is the same exact size as the object.
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A long distance runner sees the finish line and accelerates at a rate in 1.2 m/s2 for
Nuetrik [128]

Answer: he did travel 15 meters.

Explanation:

We have the data:

Acceleration = a = 1.2 m/s^2

Time lapes = 3 seconds

Initial speed = 3.2 m/s.

Then we start writing the acceleration:

a(t) = 1.2 m/s^2

now for the velocity, we integrate over time:

v(t) = (1.2 m/s^2)*t + v0

with v0 = 3.2 m/s

v(t) = (1.2 m/s^2)*t + 3.2 m/s

For the position, we integrate again.

p(t) = (1/2)*(1.2 m/s^2)*t^2 + 3.2m/s*t + p0

Because we want to know the displacementin those 3 seconds ( p(3s) - p(0s)) we can use p0 = 0m

Then the displacement at t = 3s will be equal to p(3s).

p(3s) = (1/2)*(1.2 m/s^2)*(3s)^2 + 3.2m/s*3s = 15m

6 0
3 years ago
What is another word for a change in velocity/change in time
inna [77]

Answer:

acceleration

Explanation:

acceleration =velocity final-velocity initial /time

5 0
2 years ago
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The graph below shows the relationship between speed and time for two objects, A and B. Compare with the acceleration of object
kolbaska11 [484]

Answer:

A) greater

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a hammer of mass 5 kg travelling at 4 metre per second is a nail directly and does not rebound what is the impulse of the hammer
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20 kg.m/s
p =m*v = 5*4 = 20
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A gas that is exist in outer space is made of ?
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I think the awnser is Dark Matter

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