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natita [175]
3 years ago
10

Physics

Physics
1 answer:
konstantin123 [22]3 years ago
6 0

Answer: Water fills the bucket until its force/weight is greater than the block’s. The lever tilts over, causing the bucket to water the plant.

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Do cars get better gas mileage with clean air filters? Gas mileage for 10 cars with dirty air filters and clean air filters was
ASHA 777 [7]

Answer:

Explanation:

Yes.

Proper maintenance of cars or any vehicle will add more life to it and increase the quality performance.

If dirty filters of cars is changed, the gas mileage will increase resulting into a better performance of cars.

Dirty air filters reduces the capacity for it to filter the air going into engine. If air filters are not changed for a longer time it results into misfire or trouble starting.

8 0
3 years ago
Displacement is which of the following types of quantities?A. vectorB. scalarC. magnitudeD. dimensional
agasfer [191]

Answer: A. vector

Explanation:

Movement is the change of position of a body at a certain time. The body that experiences this change of position is called mobile.

In this sense, the <u>displacement</u> is the distance in a straight line between the initial and final position of this mobile, which differentiates it from <u>the trajectory, </u> which is the <u>path followed by the body in its movement and a scalar magnitude.</u>

Hence, the displacement is a vector.

6 0
3 years ago
The sleigh is being pulled with a force of 800N and has a mass of 200 Kg.
kiruha [24]
The answer is 4 m/s/s
4 0
3 years ago
Read 2 more answers
In an insulated container, 0.50 kg of water at 80°C is mixed with 0.050 kg of ice at −5.0°C. After a while, all the ice melts, l
Phoenix [80]

Explanation:

When ice tends to absorb heat energy then it will change into liquid state. Now,  change in the temperature of cold water dT = T_{f} - 0^{o}C = T_{f}

Change in the temperature of original water in the container dT' = 80 -T_{f&#10;}

Latent heat of melting of ice L = 80 cal/g

Specific heat of water C = 1 cal/g C

Heat absorbed by ice to melt = mass(m_{i}) x latent heat(L)

Heat absorbed by water = mass(m_{w}) x specific heat(C) x change in temperature (dT')

m_{i} = 0.050 kg = 50 g and m_{w} = 0.50 kg = 500 g

Now, heat lost by water is as follows.

heat lost by hot water( at 80^{o}C)  = heat absorbed by the ice + heat absorbed by cold water

         m_{i} \times L + m_{i} \times C dT = m_{w} \times C dT'

            50 \times 80 + 50 \times 1 \times (T_{f}) = 500 \times 1 \times (80 - T_{f})

So, we will cancel out 50 from each term given above. Hence,

              80 + T_{f} = 800 - 10T_{f}  

               11 T_{f} = 720

               T_{f} = 65.45^{o}C

Thus, we can conclude that final temperature of the water is 65.45^{o}C.

6 0
3 years ago
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Using calcium’s atomic structure, as shown in the image, what is this element’s atomic number?
ElenaW [278]

Answer:

Atomic number of calcium is 20.

6 0
3 years ago
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