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2 years ago

You can formulate a medical term, which is easy to pronounce by combing the root with a .

Physics

1 answer:

aksik [14]2 years ago

7 0

Answer:

Electrocardiogram

Explanation:

Electrocardiogram is a medical term, which is easy to pronounce by combining the root with a.

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A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.4 m/s2. (a) If the tension in the cord is 91

yanalaym [24]

Answer:8.125 kg

Explanation:

Given

deceleration of elevator $a=1.4\ m/s^2$

suppose T is the tension in the cord

therefore net force on lamp is

$F_{net}=T-mg$

$F_{net}=ma$

direction of a and g is in the same direction

$T-mg=m(1.4)$

$T=m(g+a)$

$m=\dfrac{T}{g+a}$

$m=\dfrac{91}{9.8+1.4}$

$m=8.125\ kg$

6 0

3 years ago

A paper filled capacitor is charged to a potential difference of 2.1 V and then disconnected from the charging circuit. The diel

Goryan [66]

Answer:

Part a)

$V' = 7.77 Volts$

Part b)

$k' = 6.27$

Explanation:

As we know that capacitor plate is connected across 2.1 V and after charging it is disconnected from the battery

So here we can say that charge on the plates will remain conserved

So we will have

$Q = kC(2.1)$

now dielectric is removed between the plates of capacitor

so new potential difference between the plates

$V' = \frac{Q}{C'}$

$V' = \frac{kC(2.1)}{C}$

$V' = 3.7 \times 2.1$

$V' = 7.77 Volts$

Part b)

Now the capacitor plates are again isolated and unknown dielectric is inserted between the plates

So again charge is same so potential difference is given as

$V" = \frac{Q}{k'C}$

$0.59 V = \frac{kCV}{k'C}$

$0.59 = \frac{3.7}{k'}$

$k' = 6.27$

5 0

3 years ago

What is a electric curcit

Anastaziya [24]

$\large \gray { \boxed{{ \colorbox{g}{ \tt{ answer \:}}}}}$

<h2><u>ELECTRIC</u><u> </u><u>CIRCUIT</u></h2>

<u>electric circuit, path for transmitting electric current. An electric circuit includes a device that gives energy to the charged particles constituting the current, such as a battery or a generator; devices that use current, such as lamps, electric motors, or computers; and the connecting wires or transmission lines.</u>

<u> $\tt \color {green}{hope \: \: it \: \: helps}$ </u>

8 0

2 years ago

Read 2 more answers

25. IF THE ROADWAY IS WET AND THE CAR STARTS TO SKID, YOU SHOULD: A. Slow down by pumping the brakes quickly and firmly B. Slow

AnnZ [28]

If the roadway is wet and the cars starts to skid, one should slow down by shifting to lower gear. The correct option is B.

<h3>What are gears?</h3>

A gear is component used to transmit motion. They are used in cars, trucks, machines, bicycles, etc.

For a car to avoid skidding on the wet roads, one must drive the car slowly. This can be done by shifting the gear to the lower one. This will help car to keep balance when brakes are applied on wet roads.

Thus, the correct option is B.

Learn more about gears.

brainly.com/question/14455728

#SPJ1

5 0

1 year ago

A sports car is advertised to be able to stop in a distance of 50.0 m from a speed is 99.0km/h. What is its acceleration in m/s2

Shtirlitz [24]

99.0km/h =27.5m/s (this is the initial speed)
The final speed is zero
The distance is 50.0m
Therefore you use the formula:
vfinal²=vinitial²+2ad
a=(vfinal²-vinitial²)/2d
= (0²-27.5²)/(2x50.0)
=-7.5625 or in correct sigdigs -7.56m/s²
Hope this helps!

4 0

3 years ago