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2 years ago

What is grandfather Paradox?

1 answer:

6 0

A grandfather paradox is a situation where individual travels to the past and then introduces a change which affects or contradicts the present.

<h3>What is a grandfather paradox?</h3>

A paradox is a situation or statement which involves two contradictions.

A grandfather paradox is a situation which is defined by the ability of an individual to travel to a time in the past usually before the birth of their grandfather and then introduces a change which affects or contradicts the present. For example, killing the grandfather to prevent their birth.

In conclusion, a grandfather paradox is is an event which contradicts the present as a result of a change done to the past.

Learn more about a grandfather paradox at: brainly.com/question/8707309

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A racecar accelerates uniformly from 18.5 mil to 46.1 m/s in 2.47 seconds.

laiz [17]

Answer:

<em>The acceleration of the racecar is</em> $\mathbf{11.17~m/s^2}$

Explanation:

<u>Uniformly Accelerated Motion</u>

It's a type of motion in which the velocity of an object changes by an equal amount in every equal period of time.

Following the definition above, the acceleration is defined as:

$\displaystyle a=\frac{v_f-v_o}{t}$

Where a is the constant acceleration, vo the initial speed, vf the final speed, and t the time.

The racecar goes from vo=18.5 m/s to vf=46.1 m/s in t=2.47 seconds, thus the acceleration is:

$\displaystyle a=\frac{46.1-18.5}{2.47}$

$\displaystyle a=\frac{27.6}{2.47}$

$a = 11.17~m/s^2$

The acceleration of the racecar is $\mathbf{11.17~m/s^2}$

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3 years ago

Mike enters a revolving door that is not moving. explain where and how mike should push to produce a torque with the least amoun

Bingel [31]

Mike enters a revolving door that is not moving. Mike should push at the edge of the door where it is largest distance from the pivot point in order to produce a torque with the least amount of force. Torque is equal to t = force x distance.

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4 years ago

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A garbage truck crashes head-on into a Volkswagen and the two come to rest in a cloud of flies. Which experiences the greater fo

Artist 52 [7]

The volkswagon experiences a greater force as it was hit by a larger object that had a larger mass than itself

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3 years ago

A sailfish swims 120 km/hr. How far will it travel in 8.0 minutes?

Rasek [7]

Answer:

16km

Explanation:

First change the minutes into hours then multiply by the distance.

(8÷60)×120=16km

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4 years ago

When two volleyball players strike the ball on opposite sides of the net with the same amount of force, what happens?

cricket20 [7]

Answer:

The net force is zero because both volleyball players are hitting the ball with same force.

Explanation:

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3 years ago