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2 years ago

What is the relationship between the current passes through the

1 answer:

8 0

Increasing the number of bulbs in a series circuit decreases the brightness of the bulbs. In a series circuit, the voltage is equally distributed among all of the bulbs. Bulbs in parallel are brighter than bulbs in series. In a parallel circuit the voltage for each bulb is the same as the voltage in the circuit.

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using hooke's law, f spring = k triangle x, find the elastic constant of a spring that stretches 2 cm when a 4 newton force is a

Ksivusya [100]

As we know that spring force is given as

$F = kx$

here we know that

F = 4 N

x = 2 cm = 0.02 m

now from the above equation we will have

$4 = k(0.02)$

$k = 200 N/m$

so the elastic constant of the spring will be 200 N/m

8 0

3 years ago

During which type of collision is none of the energy converted to heat?

Galina-37 [17]

Answer:

Explanation:

7 0

3 years ago

A bicycle traveled 150 meters west from point A to point B. Then It took the same route and came back to point A. It took a tota

Julli [10]

Answer:

Option D. The average speed is 2.5 meters/second, and the average velocity is 0 meters/second.

Explanation:

we know that

To find out the average speed divide the total distance by the total time

Let

d -----> the total distance in meters

t -----> the time in seconds

s ----> the speed in meters per second

$s=\frac{d}{t}$

Remember that

$1\ min=60\ sec$

we have

$t=2\ min=2(60)=120\ sec$

$d=150(2)=300\ m$

substitute

$s=\frac{300}{120}$

$s=2.5\frac{m}{sec}$

Find out the average velocity

To find out the average velocity divide the displacement) by the time

The displacement is the distance from the start point to the end point regardless of the route

In this problem

The start point is A and the end point is A

The displacement is equal to zero

therefore

The average velocity is 0 m/sec

6 0

3 years ago

What does gravity do to objects as they: a) are thrown up: b) fall toward earth:

tangare [24]

Answer:

Explanation:

Gravity is when objects are pulled down to earth

7 0

3 years ago

_____ can be reduced but it cannot be eliminated.

Sonbull [250]

Heat can be reduced but it cannot be eliminated completely there is some amount if heat energy present even if it is absolute zero(-273degrees Celsius)

3 0

3 years ago

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