3 years ago

Find the solid angle made by the part of surface area 2 cm square of square and radius 4 centimetre

Physics

1 answer:

DochEvi [55]3 years ago

7 0

Hdhuyywywy was a really sad fact I was

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Answer:

- 1100 J heat flows out

Explanation:

dW = - 1600 J (as work is done on the gas)

dU = 500 J

dQ = ?

According to the first law of thermodynamics

dQ = dU + dW

dQ = 500 - 1600

dQ = - 1100 J

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A girl starts from rest and reaches a walking speed of 1.4 m/s in 3.0 s. She walks at this speed for 6.0 s. The girl then slows

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Answer:

1) The girl's acceleration at time 't' is, $a=0.47$ m/s²

2) The girl's acceleration at time 't₁' is, $a_{1}=0$ m/s²

3) The girl's acceleration at time 't₂' is, $a_{2}=-0.14$ m/s²

Explanation:

Given data,

The initial walking speed of the girl, u = 0

The speed of the girl at the time 't' 3 s is, v₁ = 1.4 m/s

The time period the girl walked at the speed 1.4 m/s is, t₁ = 6 s

The girl slows down and comes to a stop during a period, t₂ = 10 s

1) The girl's acceleration at time 't'

$a=\frac{v-u}{t}$

$a=\frac{1.4-0}{3}$

$a=0.47$ m/s²

2) The girl's acceleration at time 't₁'

$a_{1} =\frac{v_{1} -v}{t_{1}}$

$a_{1}=\frac{1.4-1.4}{6}$

$a_{1}=0$ m/s²

3) The girl's acceleration at time 't₂'

$a_{2} =\frac{v_{2} -v_{1}}{t_{2}}$

$a_{2}=\frac{0-1.4}{10}$

$a_{2}=-0.14$ m/s²

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An object that is farther from a converging lens than its focal point always has an image that is _____.

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Smaller in size (Pt. Sized)

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Will give correct answer brainliest please help

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it is the 3rd answer choice

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you are trying to figure out the voltage of a battery when you know the current and the resistance. the current(i) is 25 Amps, a

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Answer:

V= 250 volts

Explanation:

V=IR

V=25*10

V=250 volts

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3 years ago

Read 2 more answers

Find the solid angle made by the part of surface area 2 cm square of square and radius 4 centimetre​

Find the solid angle made by the part of surface area 2 cm square of square and radius 4 centimetre