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frez [133]
2 years ago
10

Which of the following statements is true?

Physics
1 answer:
inn [45]2 years ago
5 0
C is the right answe
You might be interested in
What is night vision pls explain in long answers use<br> can use google
bulgar [2K]

Answer:

Night vision is the ability to see in low-light conditions. Whether by biological or technological means, night vision is made possible by a combination of two approaches: sufficient spectral range, and sufficient intensity range.

8 0
3 years ago
1. Is there a relationship between the volume of water displaced and the total volume of the block that has anything to do with
strojnjashka [21]

Answer:

The volume of the block is equal to the volume of water displaced by the block.

Explanation:

Volume refers to the amount of space occupied by a given object (in this case the block). When an object such as the block is immersed in water, it displaces its own volume of water. This volume of water displaced is equal to the volume of the block. Hence we can write;

Final Volume of water - Initial Volume of water= Water Displaced = Volume of the block

Recall that the density of a body is given by;

Density= mass/volume

If we obtain the volume of the block by measuring the volume of water displaced by the block, then we weigh the block using a weighing balance, we can obtain the density of the block easily from the relationship shown above.

8 0
2 years ago
A Boeing 777 aircraft has a mass of 300,000 kg. At a certain instant during its landing, its speed is 27.0 m/s. If the braking f
GarryVolchara [31]

Answer:

Speed of the airplane 10.0 s later = 12.2 m/s

Explanation:

Mass of Boeing 777 aircraft = 300,000 kg

Braking force = 445,000 N

Deceleration

            a=\frac{445000}{300000}=1.48m/s^2

Initial velocity, u = 27 m/s

Time , t = 10 s

We have equation of motion, v =u +at

            v = 27 + (-1.48) x 10 = 27 - 14.8 = 12.2 m/s

Speed of the airplane 10.0 s later = 12.2 m/s

6 0
3 years ago
The height of the mercury column in a barometer is 756 mm Hg on
notsponge [240]

Answer:

    p = 1.0076 10⁵ Pa

Explanation:

Atmospheric pressure is given by the relation

         P = rho g h

In this case they indicate that the height of the column of mercury is h = 756 mm Hg

let's reduce the height to the SI system

          h = 756 mm (1m / 1000 mm)

          h = 0.756 m

let's calculate

        P = 13600 9.8 0.756

        p = 1.0076 10⁵ Pa

7 0
2 years ago
Shondra takes notes in class.
sdas [7]

Answer:

I beileve its A because energy is what gives the ability to do work

Explanation:

4 0
2 years ago
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