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3 years ago

Define accleration due to gravity

2 answers:

6 0

Therefore as you move around the U.S. the acceleration due to gravity (g) varies from about 9.79 to 9.81 meters per second squared. The Earth’s average is 9.80 m/s2 which is generally reported as the acceleration of gravity on Earth.

ikadub [295]3 years ago

4 0

Gravity has a pull on earth which is why it spins. The faster the acceleration the more gravity you have if falling from the sky.

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What is the Electron Geometry of a AB4 molecule? A. bent B. trigonal planar C. linear D. tetrahedral

34kurt

Answer:

D.Tetrahedral

Explanation:

The central atom has 0 lone pair and 4 bond pairs. Hybridization is sp³. The geometry is tetrahedral which has an angle of 109.5°.

According to VSEPR theory, each molecule arranges itself such that it faces minimum repulsion and the given molecule is of type $AB_4$ .

Therefore the answer will be D.

D.Tetrahedral

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3 years ago

When you rub a glass rod with a piece of silk, the glass rod becomes positively charged?

Lynna [10]

Glass loses electrons easily and silk takes them. Because electrons are negatively charged, the glass rod becomes positive and the silk becomes negative.

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4 years ago

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makkiz [27]

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3 years ago

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A hot air balloon is filled with 1.45 × 10 6 L of an ideal gas on a cool morning ( 11 ∘ C ) . The air is heated to 109 ∘ C . Wha

just olya [345]

Answer:

The volume of air after the balloon is heated = 1.95 × 10⁶ L

Explanation:

Charles Law: Charles' law states that the volume of a given mass of gas is directly proportional to the temperature in Kelvin, provided that the pressure remains constant.

It can be expressed mathematically as,

V₁/T₁ = V₂/T₂

Making V₂ The subject of the equation

V₂ = (V₁/T₁)T₂.................... Equation 1

Where V₁ = Initial Volume, T₁ = Initial Temperature, V₂ = Final Volume, T₂ = final Temperature

Given: V₁ = 1.45 × 10⁶ L, T₁ = 11 °C = (11 + 273) K = 284 K, T₂ = 109 °C = (109 + 273) = 382 K.

Substituting these values into equation 1 above,

V₂ = (1.45×10⁶)382/284

V₂ = 1.95 × 10⁶ L

Therefore the volume of air after the balloon is heated = 1.95 × 10⁶ L

6 0

3 years ago

What is displacement?

LUCKY_DIMON [66]

In Physics, displacement is the distance and direction of the shortest path
from the starting point to the ending point, regardless of the path followed
to get there.

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4 years ago

Define accleration due to gravity​

Define accleration due to gravity