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2 years ago

Suppose earth did not rotate.How would conditions and life on earth be different

Physics

2 answers:

Soloha48 [4]2 years ago

7 0

Some parts of the earth would not have light, and seasons would stay in one place and never change

ki77a [65]2 years ago

3 0

If the earth did not rotate, one half of the earth would be dark and the other side of the Earth would be light. The bright side would be too hot and the other side would be too cold. Also if the Earth did not rotate, then the two poles and the equator would be easily effected.

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List the number of atoms for each element in this compound: $CaCO_{3} $

borishaifa [10]

Number of element atom for element,

Calcium (Ca) = 1

Carbon (C) = 1

Oxygen (O) = 3

3 0

3 years ago

Two rods are identical, except that one is brass (Y = 9.0 × 1010 N/m2) and one is tungsten (Y = 3.6 × 1011 N/m2). A force causes

PIT_PIT [208]

To solve this problem it is necessary to apply the concepts related to Young's Module, and find the radius that gives the ratio between the two given materials. Young's module can be defined as,

$Y=\frac{FL}{A \Delta L}$

Where,

F= Force

L = Initial Length

A = Cross-sectional Area

$\Delta L =$ Change in Length

Re-arrange the equation to find the change in Length we have,

$\Delta L = \frac{FL}{AY}$

If both the Force, as the Area and the initial length are considered constant, we can realize directly that the change in length is inversely proportional to Young's Module, therefore

$\Delta L \propto \frac{1}{Y}$

Applying this concept to that of the two materials (Brass and Tungsten),

$\frac{\Delta L_T}{\Delta L_B} = \frac{Y_B}{Y_T}$

$\frac{\Delta L_T}{\Delta L_B} = \frac{9*10^{10}}{3.6*10^{11}}$

$\frac{\Delta L_T}{\Delta L_B} = 0.25$

If the force caused $3 * 10^ {- 6}m$ to be stretched, the tungsten will stretch 0.25 of that ratio

$L_T = 3*10^{-6}*0.25$

$L_T = 7.5*10^{-7}m$

Therefore the amount of stretch of Tungsten is 7.5*10^{-7}m

8 0

2 years ago

15. The Energy possessed by a body by virtue<br>of its position or state is called :

shepuryov [24]

Answer:

The Energy possessed by a body by virtue of its position or state is called Potential energy.

Mathematically potential energy can be written as,

Potential energy = mgh

Where 'm' represents mass of the body, 'g' represents gravity of the earth and 'h' represents height of body. Potential energy depends on the height, higher the hight from the surface of the earth, maximum will be the potential energy.

4 0

3 years ago

Air at 25°C and 5 atm is throttled by a valve to 1 atm. If the valve is adiabatic and the change in kinetic energy is negligible

Vsevolod [243]

Answer:

$T_{2} = 25^{\circ}C$

Solution:

As per the question:

Temperature, $T_{1} = 25^{\circ}C$

Pressure, $P_{1} = 5 atm[\tex]Now,We know that the process of throttling occurs in adiabatic conditions where no heat is transferred in between the system and the surrounding, i.e., Q = 0Thus no work is done in this process, i.e., W = 0Enthalpy also remains same from one state to the other state, i.e., [tex]\Delta h = 0$