2 years ago

What is gravitonal force

Physics

1 answer:

zhuklara [117]2 years ago

8 0

Answer:

its something that hold the air for forceing liy by the exgen

Explanation:

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A train travels 98 kilometers in 4 hours, and then 61 kilometers in 3 hours. What is its average speed?

IrinaK [193]

Speed (velocity)=distance/time

V1=98km/4hr=24.5km/hr
V2=61km/3hr=20.3km/hr

Average speed (velocity)=total velocity/ number

Average speed (velocity)=44.8km/hr/2=22.4

So the average speed is 22.4km/hr

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3 years ago

Explain each stage of communication process

zaharov [31]

Explanation:

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3 years ago

At what speed relative to the ship does she recoil toward the spaceship?

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3 years ago

Use the graph below to answer the following question: if average acceleration is calculated using the equation, “ change in velo

sergiy2304 [10]

Answer:

$a=9\ cm/s^2$

Explanation:

<u>Average Acceleration </u>

Acceleration is a physical magnitude defined as the change of velocity over time. When we have experimental data, we can compute it by calculating the slope of the line in velocity vs time graph.

Note: <em>We cannot see if the time axis is numbered in increments of 1 second, and we'll assume that. </em>

When $t_2=4\ sec$ , the graph shows a value of $v_2=36\ cm/s$