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igomit [66]
3 years ago
13

5

Physics
2 answers:
KiRa [710]3 years ago
7 0
D, the wheels
Jdjdhdhddvsjksjdvx
NNADVOKAT [17]3 years ago
4 0

Answer:

D

Explanation:

moving car experience the most is the Tyre

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One circuit contains only an ac generator and a resistor, and the rms current in this circuit is IR. Another circuit contains on
snow_tiger [21]

Answer:

1/3 times.

Explanation:

Let V₀ be the peak voltage .

IR ( rms )  = ( V₀ / √2 R )

R is value of resistance

IC =  ( V₀ ωC / √2  )

( 1 / ωC is reactance of capacitance in ac circuit  )

\frac{I_R}{I_C} =\frac{\frac{V_0}{\sqrt{2}R } }{\frac{V_0\omega C}{\sqrt{2} } }

= \frac{I_R}{I_C} = \frac{1}{\omega C R}

When frequency is tripled angular frequency will also be tripled

hence the ratio \frac{I_R}{I_C} becomes 1/3 times.

7 0
3 years ago
You are holding a string tied to a lamp post 15 m away. You pull the string so that it has a tension of 1.5 N and a mass density
Dvinal [7]

Answer:

Explanation:

Given that

L= 15 m

T= 1.5 N

μ =0.0045 kg/m

f= 4 Hz

We know that

Velocity in string V is given as

V=\sqrt{\frac{T}{\mu}}

Now putting the values in the above equation we get

V=\sqrt{\frac{1.5}{0.0045}}=18.25\ m/s

We know that

V= f λ

\lambda =\frac{V}{f}

\lambda =\frac{18.25}{4}=4.5 m

6 0
3 years ago
A car accelerates at a rate of 4 m/s in 5 s. Calculate the change of velocity PLS HELP
garri49 [273]

Answer:

Explanation:

a=Δv/Δt

Δv=a*Δt

a=4 m/s2

t=5 s

Δv=4*5

Δv=20 m/s

6 0
3 years ago
A 56 kg pole vaulter falls from rest from a height of 5.1 m onto a foam rubber pad. The pole vaulter comes to rest 0.29 s after
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b. calculate the constant force exerted on the pole vaulter due to the collision

mbgiclbxhkr and you can see the pole and you are not to be a great friend of the day and night sweets is my first day of your life and my friends is my friend

6 0
3 years ago
What is the magnitude and direction (right or left) of the
Vadim26 [7]

Answer: HELLLO

Explanation:

5 0
3 years ago
Read 2 more answers
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