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Elan Coil [88]
4 years ago
13

Help meeeeeeeee righttttt nowwww

Physics
1 answer:
Margaret [11]4 years ago
4 0
I think 1 is 1, 2 is 4, 3 is between watt and volt but i think it is volt so 1, 4 is 1
, 5 is 3, and 6 is 2.
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When bouncing a ball, the bouncing motion results in the ball ____________.
yan [13]

Answer:

B) changing position

Explanation:

When a ball bounces to the ground it hits the ground with some energy. The amount of energy with which it hits the ground is kinetic energy. When it comes in the contact with the ground kinetic energy gets converted into potential energy. This potential energy again gets converted into kinetic energy and balls moves again from the ground and bounces multiple times. So, due to multiple bounce the position of the ball changes.

Thus, When bouncing a ball, the bouncing motion results in the ball changing position.

6 0
4 years ago
Read 2 more answers
Problem Solving | Should your directions to a friend for traveling from one city to another include displacements or distances?
wlad13 [49]
This should include distances.  Displacement is the shortest distance from point A to point B.  Distance is the total length of travel.  For an example I have included a simple map.

Displacement would not be an accurate representation of the driving instructions because it would not tell the total length of travel.  Basically, the driver would be going through buildings if you told them displacement.  Directions would tell them the roads traveled.

3 0
4 years ago
A charge Q is uniformly spread over one surface of a very large nonconducting square elastic sheet having sides of length d. At
Marizza181 [45]

Answer:\frac{1}{4}

Explanation:

Given

Charge Q is spread over non conducting sheet

Electric field due to sheet is E=\frac{\sigma }{2\epsilon _o}

where \sigma =\frac{charge}{area}=\frac{q}{d^2}

E=\frac{q}{2d^2\epsilon _o}

Now if the sheet is stretch to becomes 2d length

E'=\frac{q}{2(2d)^2\epsilon _o}

E'=\frac{1}{4}\times E

E'=\frac{E}{4}

thus the ratio of new and initial electric field is \frac{1}{4}

8 0
3 years ago
on a distant planet a freely falling object has an acceleration of 20 m/s.^2 what speed will a body dropped from rest on his pla
N76 [4]

Answer:

30 m/s

Explanation:

Vf = ?

Vi = 0 m/s

a = 20 m/s^2

t = 1.5 s

Plug those values into the equation: Vf = Vi + at

Vf = 0 + (20)(1.5)

Vf = 30 m/s

4 0
3 years ago
What gauge pressure is required in the city water mains for a stream from a fire hose connected to the mains to reach a vertical
STALIN [3.7K]

Answer:

The gauge pressure is equal to 147 kPa.

Explanation:

The pressure exerted by fluid is given by :

P=\rho gh

Where

\rho is density of water

h is height

So, put all the values,

P=1000\times 9.8\times 15\\\\P=147000\ Pa

or

P = 147 kPa

So, the gauge pressure is equal to 147 kPa.

4 0
3 years ago
Read 2 more answers
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