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Harlamova29_29 [7]
2 years ago
10

This same car gets pulled over for speeding, and goes from 68 m/s to 0 m/s in 14

Physics
1 answer:
Harrizon [31]2 years ago
3 0

Answer:

the acceleration of the car is -4.9m/s2.

the direction is opposite to the actual direction, since the acceleration is negative.

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A circuit contains a resistor in series with a capacitor, the series combination being connected across the terminals of a batte
Natali5045456 [20]

Answer:

18.4 s

Explanation:

The time constant of an RC circuit is given by

\tau = RC

where

R is the resistance

C is the capacitance

For the first circuit we have

\tau = 4.6 s

R=1.4\cdot 10^4 \Omega

So we can find the capacitance

C=\frac{\tau}{R}=\frac{4.6 s}{1.4\cdot 10^4 \Omega}=3.29\cdot 10^{-4} F

Now in the second circuit, the new resistance is

R=5.6\cdot 10^4 \Omega

So the new time constant will be

\tau = RC=(5.6\cdot 10^4 \Omega )(3.29\cdot 10^{-4} F)=18.4 s

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3 years ago
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When the rudder moves to the left the plane will move to the right or left?
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