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2 years ago

If an object has an initial velocity wouldn’t hit the ground first then a other object with no initial velocity

Physics

1 answer:

WARRIOR [948]2 years ago

7 0

The initial velocity given one object will make it hit the ground first.

<h3>What is velocity?</h3>

Velocity is the displacement of a body in a given time interval.

Velocity is a vector quantity since displacement is also a vector quantity.

Velocity = Displacement/time

Two objects are released from a certain height above the ground.

One is given an initial velocity while the other had no initial velocity.

The two objects are accelerated to the same extent by gravity.

However, because of the initial downward velocity of the first object, it will hit the ground first.

In conclusion, the initial velocity given one object will make it travel faster than the other object.

Learn more about initial velocity at: brainly.com/question/21010554

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12. An unbalanced 6.0 newton force acts eastward on an object for 3.0 seconds. The impulse

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3 years ago

Approximately 0.1% of the bacteria in an adult human's intestines are E. coli. These bacteria have been observed to move with sp

Zinaida [17]

Answer:

0.0769230769231 s

$4.6153846154\times 10^{-7}\ m$

Explanation:

t = Time taken

u = Initial velocity = 0

v = Final velocity = 12 μm/s

s = Displacement

a = Acceleration = 156 μm/s²

From the linear equations of motion we have

$v=u+at\\\Rightarrow t=\dfrac{v-u}{a}\\\Rightarrow t=\dfrac{12\times 10^{-6}-0}{156\times 10^{-6}}\\\Rightarrow t=0.0769230769231\ s$

Time taken to reach the required speed is 0.0769230769231 s

$s=ut+\dfrac{1}{2}at^2\\\Rightarrow s=0\times t+\dfrac{1}{2}\times 156\times 10^{-6}\times 0.0769230769231^2\\\Rightarrow s=4.6153846154\times 10^{-7}\ m$

The distance the bacterium will cover is $4.6153846154\times 10^{-7}\ m$

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3 years ago