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brilliants [131]
3 years ago
5

. Which of the following statements is accurate?

Physics
2 answers:
aivan3 [116]3 years ago
8 0

A. If an object's velocity is changing, it's either experiencing acceleration or deceleration.

Kamila [148]3 years ago
4 0
A, acceleration and deceleration are measures of velocity changing.
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A circuit contains two resistors in series. The voltage drop across the first is 10 V. The voltage drop across the second is als
Norma-Jean [14]

Hi there!

Voltage in a series can be expressed by the following:

V_T = V_1 + V_2

In words, the total voltage is equal to the sum of the individual voltage drops in a SERIES circuit.

We can solve for the total voltage:

V_T = 10 + 10 = \boxed{\text{ D. 20 V}}

6 0
2 years ago
By how much will the velocity of a vehicle change if it accelerates at 10 m/s/s for a period of 10 seconds​
pishuonlain [190]

Answer:

Explanation:

we know that the time rate of change of velocity is called acceleration mathmetically;

a=Δv/Δt

Δv=a*Δt

a=10 m/s²

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Δv=10*10=100 m/s

7 0
4 years ago
A switch in an electric circuit controls the flow of electrons in the circuit.
Delvig [45]

Answer:

when you switch off an electrical curcuit you tend to create a 'break' in the curcuit,preventing the electric current to flow around the curcuit,this can be caused by a simple switch or 'break'

Explanation:

7 0
3 years ago
You have an unpolarized light source and you wish to send a beam of this light with intensity Io through a number of sheets of p
tekilochka [14]

Answer:

Explanation:

a ) The angle  between the polarization axis of two adjecent sheet

= 90 / 3 = 30 degree.

The formula for intensity of polarised light from unpolarised light ( first transmission

I₁ = I₀ /2

I₀ is intensity of unpolarised light and I₁ is intensity of light after first time polarization .

The relation of I₁ and I₂ is as follows

I₂ = I₁ cos²30

= I₀/2 x3/4

=3 I₀/8

Relation between I₃ and I₂ is as follows

I₃ = I₂ cos²30

= 3I₀ / 8 x 3/4

= 9 I₀ / 32

= 0 .28 I₀

In case of stack of 4 plates

angle between two plates  = 90/4  = 22.5 degree

I₁ = I₀ /2

I₂ = I₁ cos²22.5

=  I₀ /2 x .85

I₃ = I₂ cos²22.5

= I₀ /2 x .85 x .85

= .36 I₀

7 0
3 years ago
A ball with a mass of 0.5 kg is hit with a force of 2.5 N what is its acceleration?
stealth61 [152]

Explanation:

50 m/s may squared siya sa dun sa may s

8 0
4 years ago
Read 2 more answers
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