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3 years ago

If arts gravitational pool just got three times stronger what would happen to our weight

Physics

1 answer:

IRINA_888 [86]3 years ago

4 0

We would just get three times heavier.

weight = mass x gravity (9.8 m/s/s)

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Older televisions display a picture using a device called a cathode ray tube, where electrons are emitted at high speed and coll

gregori [183]

Answer:

a) t = 3.027 10⁻⁹ s , b) y = 2.25 10⁻² m

Explanation:

We can solve this problem using the kinematic relations

a) as on the x-axis there is no relationship

vₓ = x / t

t = x / vₓ

We reduce the magnitudes to the SI system

x = 5.6 cm (1m / 100 vm) = 0.056 m

we calculate

t = 0.056 / 1.85 10⁷

t = 3.027 10⁻⁹ s

b) the time is the same for the two movements, on the y axis

y = v₀t + ½ a t²

as the beam leaves horizontal there is no initial vertical velocity

y = ½ a t²

let's calculate

y = ½ 5.45 10¹⁵ (3.027 10⁻⁹)²

y = 2.25 10⁻² m

6 0

3 years ago

You lift a 45-newton bag of mulch 1.2 meters and carry it a distance of 10 meters to the garden. How much

zysi [14]

To lift the bag straight up takes (F · D) = (45 · 1.2) = 54 joules of energy (work).

Moving the bag horizontally 'across' gravity requires no work.
It doesn't matter how far.

4 0

4 years ago

A baseball is thrown 50.0m in 3.0s, what is the average speed of the baseball? Calculated answer is 16.666667! What is the corre

castortr0y [4]

Answer:

20m/s

Explanation:

Given parameters:

Distance of throw = 50m

Time = 3s

Unknown:

Average speed = ?

Solution:

Average speed is distance divided by time;

Average speed = $\frac{distance }{time}$

Insert the parameters and solve;

Average speed = $\frac{50}{3}$ = 16.66667m/s = 20m/s

5 0

3 years ago

how many days does it take a team of drivers to drive a truck california and back to lansing if the drivers average 15m/s includ

malfutka [58]

4days and 12hours

Explanation:

Given parameters:

Average speed = 15m/s

Distance = 1800 miles

Unknown:

Number of days = ?

Solution:

Speed is the rate of change of distance with time;

Speed = $\frac{distance}{time}$

Since the unknown is number of days, it is a measure of time:

Time = $\frac{distance }{speed}$

The distance from California to Lansing is 1800miles. The journey takes the truck drivers to and fro. It is a two way trip;

Total distance = 1800 miles x 2 = 3600miles

We need to convert miles to meters since that is the unit we can conveniently work with;

1 mile = 1609.34m

3600 miles = 3600 x 1609.34

= 5793638m

Inputting the values in the equation:

Time = $\frac{ 5793638}{15}$ = 386242.53s

Now we need to convert to day;

In a day, = 60 x 60 x 24 = 86,400s

1 day = 86400s

Therefore;

The number of days = $\frac{386242.53}{86400}$ = 4.47days

This implies that it will take them 4 days and approximately 12 hours.

learn more:

speed brainly.com/question/10048445

#learnwithBrainly

7 0

3 years ago

A trumpet makes sound when the lips of the musician vibrate. True False

Allushta [10]

I think is True! Is the best answer. Because the trumpet it make them sounds like the lips with the musician and it vibrate.

4 0

3 years ago

Read 2 more answers