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Pavlova-9 [17]
2 years ago
10

The slope of the line on a speed-time graph tells the speed.

Physics
1 answer:
iren2701 [21]2 years ago
8 0

From the choices provided, the better answer is ' T ' .

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A girl runs south 10 meters then turns around and walks back 3 meters
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Answer:

12

Explanation:

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6 0
2 years ago
The Capacitive reactance of a 0.094uF capacitor when a frequency of 25kHz is applied is lus 68 Ohms 0.68 Ohms luf
Nana76 [90]

Answer:

Capacitive reactance of the capacitor is 68 ohms

Explanation:

It is given that,

Capacitance, C=0.094\ \mu F=0.094\times 10^{-6}\ F

Frequency, f=25\ kHz=25\times 10^3\ Hz

Capacitive reactance is given by :

X_C=\dfrac{1}{2\pi fC}

X_C=\dfrac{1}{2\pi 25\times 10^3\times 0.094\times 10^{-6}}

X_C=67.72\ \Omega

or

X_C=68\ \Omega

So, the capacitive reactance of the capacitor is 68 ohms. Hence, this is the required solution.

8 0
2 years ago
In 10 seconds a car accelerates 4/ms to 60m/s. how fast was the car going before it accelerated?
SVETLANKA909090 [29]
Well it seems like this problem gives you what you need.  You said the car was going 4m/s and then accelerated to 60m/s... so 4m/s would be your answer for the initial velocity
6 0
2 years ago
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All are examples of electric forces except _________.
pochemuha
The correct answer is A
6 0
3 years ago
A boy, standing at point O, is whirling a ball on a string over his head. After several whirls, he lets go of the string and the
Vikki [24]
When a ball is whirled using a string, it is restricted to move only in circular motion because the net force acting on the ball is towards the center of the circle. Hence, the acceleration of the ball is towards the center. But the velocity of ball is tangential to this circular path all the time. When the whirling is stropped, the string becomes slack and tension in the string becomes zero. The ball no more performs circular motion and the ball moves tangentially to the circle in straight line. Therefore, before letting go, velocity was variable. After letting go, velocity becomes constant.
4 0
3 years ago
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