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4 years ago

What does earths hydrosphere include

Physics

1 answer:

aleksley [76]4 years ago

5 0

Answer:

The Earth's hydrosphere looks like all of Earth's water

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At a given instant in time, two cars are traveling at different velocities, one twice as large as the other. Based on this infor

Sati [7]

Answer: No, is not possible.

Explanation:

We have two cars traveling at different velocities, one with velocity v and other with velocity 2*v

We want to know of it is possible to say which of these two cars has the larger acceleration at this instant of time.

Acceleration is the rate of change of the velocity, for example, if acceleration = 0, the velocity does not change.

Notice that knowing only the velocity at a given instant of time, we do not have any way of knowing the acceleration of each car.

Such that acceleration is given by the second Newton's equation:

F = m*a

force equals mass times acceleration.

We do not know any of these quantities for the cars, so we can not say anything about the accelerations.

We also could know the average acceleration if we know the change in velocity over an interval of time, such that:

Av acceleration = (change in velocity)/(interval of time)

But here we do not have a change in velocity, so again, we can't say anything about the acceleration.

3 0

3 years ago

An object is moving east, and its velocity changes from 66 mvs to 26 mvs in 10 seconds. Which describes the

STALIN [3.7K]

Answer:

negative acceleration of 4m/s²

Explanation:

Given parameters:

Initial velocity = 66m/s

Final velocity = 26m/s

Time taken = 10s

Unknown:

Description of the acceleration = ?

Solution:

Acceleration is the rate of change of velocity with time.

It is mathematically expressed as;

acceleration = $\frac{v - u}{t}$

v is the final velocity

u is the initial velocity

t is the time taken

Now insert the parameters and solve;

Acceleration = $\frac{26 - 66}{10}$ = -4m/s²

So, we see a negative acceleration of 4m/s²

6 0

3 years ago

What is the unit of work? (select all that apply) *

galina1969 [7]

Answer:

Joule is the answer

Please give me brainleast

4 0

3 years ago

Burl the painter weighs 600 Newtons. He dangles from one side of the stage. There are two scale readings attached to the two cor

yKpoI14uk [10]

Answer:

20kg

30kg

60kg

120kg

since weight is mass x force,

and gravitational force in earth is 10N;

mass will me weight/force

Explanation:

4 0

3 years ago

Read 2 more answers

A 60kg bush walker is suffering from hypothermia, having an average body temperature of 33.5 degrees Celsius. When rescued, she

antiseptic1488 [7]

I know the process but I don't know the heat capacity of tea.. so I can't show you the process untill you give me tea's heat capacity

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3 years ago