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IgorLugansk [536]
4 years ago
14

A measure or the force of gravity on a object is called

Physics
1 answer:
ExtremeBDS [4]4 years ago
8 0
I’m not that sure but I think the answer is weight.
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Water towers store water above the level of consumers for times of heavy use, eliminating the need for high-speed pumps. How hig
Zielflug [23.3K]

Answer: Height should be 44.1 m.

Explanation:

Pressure exerted by stationary water stored at a height is,

P = ρgh

4.41 × 10^{5} = 1000× 10× h

solving we get,

h = 44.1 m

6 0
3 years ago
The atmosphere pressure can support mercury in a tube, which the upper end is closed, up to 0.76 meter. If the mercury is replac
Leni [432]

Answer:

Maximum height the atmosphere pressure can support the

water=10.336 m

Explanation:

We know that ,

Pressure = h\cdot\rho\cdot g

Case 1 - Mercury in the tube

Density\ of\ mercury =\rho_1\\and\ height\ attained\ for\ mercury\ column = h_1

Case 2 - Water in the tube

Density\ of\ water =\rho_2\\and\ height\ attained\ for\ water\ column = h_2

Since atmospheric pressure is same

.P=h_1\cdot\rho_1\cdot g = h_2\cdot\rho_2\cdot g

or,  h_2=\frac{h_1\rho_1}{\rho_2}

Given\ h_1= 0.76\  m,\rho_1=13.6\cdot\rho_2

∴ h_2=0.76\cdot13.6=10.336\ m

Hence height of the water column =10.336 m

6 0
4 years ago
Two sets of staircases connect the floors of a tall building from ground level to rooftop. Staircase A is inclined at 30°. Stair
Andrew [12]
<span>At first glance, it seems that it would be more work to climb the staircase with the greater incline. But on further reflection, it is obvious that climbing the complete length of each staircase involves doing the same amount of work against gravity, because the vertical distance is the same. The answer is that each involves doing the same amount of work against gravity.</span>
8 0
4 years ago
Explain why you cannot use mass or volume alone to identify substances.
Alex17521 [72]
Objects can have the same mass (but different <span>compositions). Only mass or volume cannot tell you if the object is solid or vo</span>lumes) or same volume (but different masses) 

4 0
4 years ago
What types of waves make up the electromagnetic spectrum?
vova2212 [387]
Gamma rays, x-rays, ultraviolet, infrared, microwaves and radio waves<span>. Together with visible light, all these </span>types<span> of radiation </span>make up<span> what we call the </span>electromagnetic spectrum<span> </span>
4 0
3 years ago
Read 2 more answers
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