an athlete running 2.6m/ increases his velocity to 3.7m/s in 2.7s. what is the acceleration of the runner

Answers

Answer 1

Answer: Acceleration= velocity/time

1.1/2.7=0.41

The acceleration is .41 m/s^2

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The Pacific plate collides with and is subducted under four other crustal plates. The area where this happens has lots of volcanic activity. This area is called the _____.

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The Pacific plate collides with and is subducted under four other crustal plates. The area where this happens has lots of volcanic activity. This area is called the Ring of Fire.This is a place under the Pacific Ocean and it has numerousvolcanic eruptions and earthquakes and so this region is called the Ring ofFire. In this place there are about 450 active and dormant volcanoes and it isalmost 75 percent of the volcanoes present in our earth.

The Pacific Ring of Fire.

Cells with similar preferences are arranged closer together in the auditory cortex.

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Cells with similar preferences are arranged closer together in the auditory cortex. That statement presented is True. Auditory cortex is in the temporal lobe. It processes auditory information in human and as well as other invertebrates. The neurons inside the auditory cortex are organized depends on the frequency of the sound.

Answer: TRUE for ED2020!! I just took the quiz, good luck!! stay safe and healthy!!

At what time of day would you be most likely to find that the air over water is significantly warmer than the air over land nearby?

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This would happen later at night or early in the morning.

The reason being land becomes warm and cold quicker than the water because of the heat capacity. So during the day water warms up because of sunlight but at night the land becomes a lot cooler as compared to the water which is still war. So the air over water is significantly warmer than the air over land.

The answer is 5:00 AM

In a 4*100m relay race,tota track length is 200m and time taken by one particular group is 50.2sec. ehat is the average speed and average velocity of that group?plzzzz help mee

Answers

This is tricky, and the question could probably be written more clearly.

A " 4 x 100 m " race means that four runners each run 100 meters, for
a total of 400 meters ... very close to a quarter mile.

On a 200-meter track, each runner does halfway around the track, and
the whole team of four runners does twice around the track.

This team did the whole thing in 50.2 seconds. The average time for each runner
was 50.2/4 = 12.55 seconds.

Velocity is a speed and a direction. We have the speed, leaving only the puzzle of
what to do about the 'average' direction.

Here's a sneaky but easy way to dispense with the whole issue:
Define the average velocity (vector) as (total displacement vector)/(total time).

Since the fourth runner finished in exactly the same spot as the first runner
began, the total displacement is zero, and therefore so is the average velocity.

Charged objects have a _________ charge. A. net B. moving C. positive D. negative

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Charged objects have a Net charge.

What is the apparent magnitude of the brightest star in the Big Dipper?

Answers

Answer: +1.77

Explanation:

Big dipper is the asterism made of seven bright stars in Ursa Major constellation. An asterism a pattern formed by joining the bright stars in the night sky. On the other hand, whole night sky is divided into 88 areas called constellations. These asterisms are used to identify the constellations.

The brightest star of the big dipper is Alioth which is the 32nd brightest star in the night sky. Its apparent magnitude is +1.77.

The magnitude of Alioth ( the brightest star in the big dipper ) is 1.76 and it is about 81 light years distant from Earth.

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