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Sliva [168]
3 years ago
5

To increase power, it is necessary to

Physics
2 answers:
gavmur [86]3 years ago
5 0

Answer:

Increase the work being done or decrease the time in which the work is being completed.

Explanation:

yuradex [85]3 years ago
3 0
In getting the power in physics, there are factors to be considered, the work and the time. The formula is Power = work / time. If we base on this formula, I think the answer to this problem is letter B. There will be an increase of power if your time will decrease and your work will increase. Much force is exerted during the process to finish a work in a short period of time. 
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Which statement best explains why Earth’s outer core is in liquid form? The iron-nickel alloy melts due to hot temperatures. The
amm1812

Answer:

A. The iron-nickel alloy melts due to hot temperatures.

Explanation:

7 0
3 years ago
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If Earth orbited the Sun in 9 months instead of 12, then, compared with a sidereal day, a solar day would be
Tcecarenko [31]

Answer:

longer

Explanation:

The relationship between the solar day and sidereal is as follows:

The length of the sidereal day is

= (Solar day) (solar year ÷ solar year +  1 day)

As it can be seen that the day i.e. solar its length would be greater as compared with the sidereal day.

In the case when the earn orbited the sun in 9 months rather than 12 so here the sidereal day would be the similar but the solar day would be longer as compared with the original one

7 0
3 years ago
A rectangular dam is 101 ft long and 54 ft high. If the water is 35 ft deep, find the force of the water on the dam (the density
blsea [12.9K]

To solve this problem we will begin by finding the pressure through density and average depth. Later we will find the Force, by means of the relation of the pressure and the area.

P = \rho h

Here,

h = Depth average

\rho = Density

Moreover,

\text{Density of water}= \rho = 62.4lb/ft^3

Replacing,

P = (62.4lb/ft^3)(\frac{35}{2}ft)

P = 1092 lb/ft^2

Finally the force

\text{Force} = \text{Pressure}\times \text{Area of dam with water acting on it}

F = 1092lb/ft^2(101ft*52ft)

F = 5.735*10^6lbf

6 0
3 years ago
Object C has a mass of 3,600 kilograms. Object D has a mass of 900 kilograms. Both objects were placed on different planets so t
jek_recluse [69]
The answer is 1/4
this is actually a very simple question because if you divide 3,600 by 4 that equals 900 so if you want them to be the same waight you need 3,600 to be multiplied by 1/4. 

7 0
4 years ago
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The centripetal force depends on the mass of body, angular velocity and radius of circular path. Find the expression for the cen
vitfil [10]

Answer:

F = m ω² r

Explanation:

Centripetal force is mass times centripetal acceleration:

F = ma

F = m v² / r

In terms of angular velocity:

F = m (ωr)² / r

F = m ω² r

5 0
3 years ago
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