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Vlada [557]
3 years ago
7

Pls help me plspls use the points as my thank you ​

Physics
2 answers:
Tomtit [17]3 years ago
6 0

Answer:

A

Explanation:

The line is straight at A because speed is constant in respect to time

Ivanshal [37]3 years ago
4 0

Answer:

A

Explanation:

In section A, she is moving in constant speed because there's a flat line which indicates speed remained same as time passed. In section c, there's a flat line but look at y axis for this one, it is 0 which means there's no speed during this part. B and D have varying speeds as there is a change in y axis variables as time passes.

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If i have a mass of 58.0 kilograms what is my weight
liraira [26]
You would be 127.86 lbs. approx. One kilogram is equal to 2.20 pounds, so you just multiply kilos into the conversion rate. If you are trying to convert pounds to kilos, divide your pounds into the conversion rate.

Hope that helped! :)
7 0
3 years ago
When you ride a bicycle at constant speed, nearly all the energy you expend goes into the work you do against the drag force of
ratelena [41]

Answer:

Power output = 96.506 watts

Explanation:

Drag coefficient (Cd) = 0.9

V = 7.3 m/s

Air density (ρ) = 1.225 kg/m^(3)

Area (A) = 0.45 m^2

Let's find the drag force ;

Fd=(1/2)(Cd)(ρ)(A)(v^(2))

So Fd = (1/2)(0.9)(1.225)(0.45)(7.3^(2)) = 13.22N

Drag power = Drag Force x Drag velocity.

Thus drag power, = 13.22 x 7.3 = 96.506 watts

8 0
3 years ago
Which best defines the skeletal system?
slamgirl [31]

I’d say B is the best choice

Hope this helps

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6 0
3 years ago
A car is moving at a speed of 50 km/hour.the driver takes her foot off the accelerator and the car coasts to stop.why?
vodka [1.7K]
Because of the opposing forces on the car like friction because there is no more acceleration 
3 0
4 years ago
The purpose of a cell (battery) is to: Question 2 options: store chemical energy and transfer it to thermal energy when a circui
xz_007 [3.2K]

Answer:

Store chemical energy and transfer it to electrical energy when a circuit is connected.

Explanation:

A battery (single cell) is a container made of one cell that can produce a particular amount of electrical energy when needed.

It works by converting chemical energy to electric energy which is then used as a power source.

It stores up chemical energy and when connected to an external circuit, it provides electrical energy (through the flow of electrical current) to the circuit.

A battery is usually made up of a positive electrode and a negative electrode.

6 0
3 years ago
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