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nadezda [96]
3 years ago
8

How much force is required to accelerate a 15-passenger van weighing 1955 kg at a rate of 26.82 m/s2?

Physics
1 answer:
Morgarella [4.7K]3 years ago
7 0

Answer:

52433.1

Explanation: you just multiply the numbers

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The diagram shows a transistor used in a circuit. The transistor in the circuit is used to
valkas [14]

The (NPN) transistor in this circuit is used to <em>switch a current</em>.  When it  switches current ON ... acting like a closed switch ... the light goes on.

It's kind of mystifying WHY all of this technological complexity is necessary.  There's already a switch in the circuit ... (the two little circles above the 1K resistor in the base circuit with the tilted line between them).  That switch could just as well be used, in place of the transistor, to directly switch the current through the light.  Why use one switch to control a transistor to make it behave like another switch ? ?

The only actual necessity for doing this that makes sense is if the switch in the base circuit is a tiny low-power switch, and the transistor is a big moose high-power transistor, controlling a high-current, multi-kilowatt searchlight.

A place you might actually find an application like this would be in your car.  A small current through the ignition switch behind the key is used to turn on a high-power transistor under the hood, which controls the huge current to the starter motor.  That way, they avoid running a 100-Ampere cable in and out of the ignition switch, and needing a several-hundred-Ampere switch in the steering column behind the key.

7 0
3 years ago
Reflecting telescopes are popular because they're
Crank
C. easier to build than a refracting telescope

Big mirrors used in reflecting telescopes are easier and cheaper to make than big lenses which would cost more because of the quality of glass required to make refracting telescopes
6 0
3 years ago
Read 2 more answers
describe a method you would use to separate chicken soup into other forms of matter from which its made of
nexus9112 [7]
Heat it until it evaporates(Gas) :3
Or freeze it until its ice.(Solid)
its already a liquid normally

Unless you mean like separate the noodles from the broth, in that case use a drainer :'D Jk. I suck at smart stuff.
3 0
3 years ago
A annoying small child is dropped off a 16.0 m cliff (for complaining about homework). The
belka [17]

Answer:

i would be that annoying child lol

Explanation:

but i just needed this for points sorry :>

4 0
3 years ago
How much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each plate is 4.00
klio [65]

Explanation:

Let us assume that the separation of plate be equal to d and the area of plates is 9 \times 10^{-4} m^{2}. As the capacitance of capacitor is given as follows.

            C = \frac{\epsilon_{o}A}{d}

It is known that the dielectric strength of air is as follows.

               E = 3 \times 10^{6} V/m

Expression for maximum potential difference is that the capacitor can with stand is as follows.

                       dV = E × d

And, maximum charge that can be placed on the capacitor is as follows.

               Q = CV

                   = \frac{\epsilon_{o} A}{d} \times E \times d

                   = \epsilon_{o}AE

                   = 8.85 \times 10^{-12} \times 3 \times 10^{6} \times 4 \times 10^{-4}

                   = 1.062 \times 10^{-8} C

or,                = 10.62 nC

Thus, we can conclude that charge on capacitor is 10.62 nC.

5 0
4 years ago
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