3 years ago

Where is relative time recorded

1 answer:

3 0

<span>Time is a dimension like space (height, width, depth). Einstein said it took 4 dimensions (numbers) to define a physical event. 1 for WHEN it happened, time (t) 3 for WHERE it happened, height, width, depth (x, y, z) He lumped them into...</span>

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PLEASE HELP I HAVE FINALSSS

vitfil [10]

Answer: 26.67 m/s

Explanation:

Given

Length traveled by the ball $s=40\ m$

Time taken to reach the goal post is $t=3\ s$

Initial velocity $u=0\ m/s$

Using the second equation of motion

$\Rightarrow s=ut+\frac{1}{2}at^2\\\Rightarrow 40=0+\frac{1}{2}a(3)^2\\\Rightarrow a=\frac{80}{9}\ m/s^2\\$

Now using

$\Rightarrow v^2-u^2=2as\\\\\Rightarrow v^2-0=2\times \frac{80}{9}\times 40\\\\\Rightarrow v=\sqrt{\dfrac{80\times 80}{9}}=\dfrac{80}{3}\\\Rightarrow v=26.67\ m/s$

The velocity of ball will be 26.67 m/s

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3 years ago

Compared to red light, blue light has higher frequency and

irakobra [83]

higher frequency/shorter wavelength

carries more energy than red light.

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3 years ago

What is the difference between the velocity and the speed of an object?

timurjin [86]

Answer:

Velocity has a direction associated with it, while speed has no specific direction.

Explanation:

Velocity is a vector, while speed is a scalar.

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3 years ago

If you wanted to increase the gravitational force between two objects what would you do

adelina 88 [10]

Double the force on the object

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4 years ago

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What would happen if your stomach wasint working properly

adelina 88 [10]

Your stomach, as in JUST your stomach?
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3 years ago