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tensa zangetsu [6.8K]
3 years ago
6

A car takes 10 minutes to travel 10 km calculate average speed of car.​

Physics
1 answer:
lisabon 2012 [21]3 years ago
5 0

Answer:

(km/mins) × ( mins/hr) = km/hr

(10/10)×(60/1) =600/10 = 60 km /hr

......

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A new mechanic foolishly connects an ammeter with 0.1 Ω resistance directly across a 12-V car battery with internal resistance o
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Answer:

The power dissipated by the meter is 1188W

Explanation:

Here we have a circuit constituted with a power source and two resistors in series, we can calculate the power dissipated by the meter using the following formula:

P=I^2R_m

We first need to fin the current going through the circuit:

I=\frac{V}{R}\\where:\\V=voltage\\R=resistance

R=R_s+R_m

because they are connected in series. So:

I=\frac{12V}{(0.01+0.1)}=109A

P=(109)^2*0.1=1188W

8 0
3 years ago
In the absence of a gravitational force, the weight of a body is?
azamat

Answer:

0

Explanation:

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A 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. what is its potential energy (PE) when it is 2.00 m above the grou
IceJOKER [234]

The potential energy is 4.10 J

Explanation:

The potential energy of a body is given by

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g=9.8 m/s^2 is the acceleration of gravity

Solving the equation,

U=(0.078)(9.8)(5.36)=4.10 J

Learn more about potential energy here:

brainly.com/question/1198647

brainly.com/question/10770261

#LearnwithBrainly

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Plasma easily conducts electricity and responds to magnetic fields, but why?
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Plasma can conduct electricity because plasma consists of electrically charged particles called ions, instead of uncharged particles such as atoms or molecules.

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