1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Studentka2010 [4]
3 years ago
6

why is the water cycle important to life on earth? the water cycle puts oxygen in the water. the water cycle moves water from pl

ace to place. the water cycle stores water for use in a time of drought. the water cycle makes water unusable by living things.
Physics
2 answers:
Leya [2.2K]3 years ago
8 0

Answer:

Without the the water on earth, nothing would be alive, no cavemen, no dinosaurs. Water is one of the most important component on earth so people can live. Water is everywhere. It goes through river, mountains, lakes, oceans even if your house. Without water human kind and any other would not be alive.

Explanation:

Without the the water on earth, nothing would be alive, no cavemen, no dinosaurs. Water is one of the most important component on earth so people can live. Water is everywhere. It goes through river, mountains, lakes, oceans even if your house. Without water human kind and any other would not be alive.

Katarina [22]3 years ago
7 0
Without the the water on earth, nothing would be alive, no cavemen, no dinosaurs. Water is one of the most important component on earth so people can live. Water is everywhere. It goes through river, mountains, lakes, oceans even if your house. Without water human kind and any other would not be alive.
You might be interested in
When a can is crushed did it undergo a physical change
brilliants [131]
Because even though  the object got crush and misshape it still has the same identity. the identity never change
4 0
3 years ago
Bats are extremely adept at catching insects in midair. If a 81.5-g bat flying in one direction at 7.21 m/s catches a 8.11-g ins
aivan3 [116]
You can look that up on google
7 0
3 years ago
A 0.0450-kg golf ball initially at rest is given a speed of 25.2 m/s when a club strikes. part a part complete if the club and b
Ksenya-84 [330]
We are given information:
m = 0.0450 kg
Δv = 25.2 m/s
Δt = 1.95 ms = 0.00195s

To find force we use formula:
F = m * a

a is acceleration. To find it we use formula:
a = Δv / Δt 
a = 25.2 / 0.00195
a = 12923.1 m/s^2

Now we can find force:
F = 0.0450 * 12923.1
F = 581.5 N 


To check the effect of the ball's weight on this movement we need to calculate it and then compare it to this force.
W = m * g
W = 0.0450 * 9.81
W = 0.44145 N 

We can see that weight is much smaller than the applied force so it's influence in negligible.
3 0
3 years ago
A train is moving in a straight railway where it covered one third of the distance with
Alexxandr [17]

Answer:

<em>The average speed of the train is 45 km/h</em>

Explanation:

<u>Speed</u>

It's defined as the distance (d) per unit of time (t) traveled by an object. The formula is:

\displaystyle v=\frac{d}{t}

Let's call x the total distance covered by the train. It covered d1=1/3x with a speed of v1=25 km/h. The time taken is calculated solving for t:

\displaystyle t_1=\frac{d_1}{v_1}

\displaystyle t_1=\frac{1/3x}{25}

\displaystyle t_1=\frac{x}{75}

Now the rest of the distance:

d2 = x - 1/3x = 2/3x

Was covered at v2=75 km/h. Thus the time taken is:

\displaystyle t_2=\frac{d_2}{v_2}

\displaystyle t_2=\frac{2/3x}{75}

\displaystyle t_2=\frac{2x}{225}

The total time is:

\displaystyle t_t=\frac{x}{75}+\frac{2x}{225}

\displaystyle t_t=\frac{3x}{225}+\frac{2x}{225}

\displaystyle t_t=\frac{5x}{225}

Simplifying:

\displaystyle t_t=\frac{x}{45}

The average speed is the total distance divided by the total time:

\displaystyle \bar v=\frac{x}{\frac{x}{45}}

Simplifying:

\boxed{\displaystyle \bar v=45\ km/h}

The average speed of the train is 45 km/h

5 0
3 years ago
A car travels 50 kilometers in 30 minutes. Which<br> about the motion of the car are true?
irga5000 [103]

Answer:

1500

Explanation:

is that all the question?

6 0
1 year ago
Other questions:
  • Minerals must be _____.
    8·2 answers
  • A 6kg object speeds up from 5 m/s to 20 m/s. find p
    11·2 answers
  • What is terminal velocity?
    12·1 answer
  • Why don’t we feel the gravitational pull of objects around us?
    14·1 answer
  • The Northern Hemisphere has summer when...
    13·1 answer
  • The speed of sound in liquids, gases, and solids is as follows, from fastest to slowest a Gas, liquid, solid b- Liquid, solid, g
    9·1 answer
  • A car starts from rest and after 20 seconds it's velocity becomes 108km find the acceleration of the car
    15·1 answer
  • As best you can, describe how we can tell the age of the Earth and rocks found on it.
    7·1 answer
  • Which of the following represents a possible magnitude for the force of static friction when Xavier applied 72.1 Newtons of forc
    9·1 answer
  • How can an object's motion be described and predicted?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!