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3 years ago

Why can't we implement the center tapped full wave rectifier without center-tapped transformer

Physics

1 answer:

maksim [4K]3 years ago

6 0

For a full wave bridge you don't want a center tap

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A racing car has a mass of 1525kg. What is its kinetic energy if it has a speed of 108km/h

Reptile [31]

E = 1/2 m v^2

108000m /3600 = 30m/s

E = 1525 * 0.5 * 30 = 22875 J

3 0

3 years ago

determine which will change if you turn up a radio’s volume: wave velocity, intensity, pitch, frequency, wavelength, loudness.

Mamont248 [21]

I think wavelength because the radios volume is being turned up.

5 0

3 years ago

1) Subatomic particles called muons can be created in the upper atmosphere by collisions of cosmic rays (energetic particles com

Vsevolod [243]

Answer and explanation:

Muon travelled straight down towards the earth. Therefore the tree moves up in the rest frame of muon (option a)

In muon rest frame it travels Zero meters

Distance, d = Velocity, v * Time, s

$where, v = 0.9c = 0.9 \times 8 \times 10^8 , s = 2.2 \mu s$

$d = 0.9 \times 3 \times 10^8 \times 2.2 \times 10^{-6}\\\\d = 594m$

Distance from the top of the mountain to the tree is the same as the distance travelled by the tree in the muons rest frame

that is same as in part C which is 594m

Using lorentz contraction

In the rest frame of someone standing on the mountain

the distance is given by

$d' = \frac{d}{\gamma} = d\sqrt{1 - \frac{v^2}{c^2}}, where, \frac{1}{\gamma}= \sqrt{1 - \frac{v^2}{c^2}}$

$d' = 594\sqrt{1 - \frac{(0.9c)^2}{c^2}}$

$d' = 594\sqrt{1 - 0.81}$

$d' = 594 \times 0.4359$

d' = 258.92m

in the rest frame of someone standing on the mountain,

muon moves straight down

3 0

4 years ago

What are the consequences of fertilizing chemicals in water?

Archy [21]

It can cause the water to create algae.

5 0

4 years ago

5. Find the volume of the composite space figure to the nearest whole number.

Dmitry [639]

The shape is missing but let's consider it a semi-cylinder attached to the rectangular prism.
Given:
radius = 4.5 mm
<span>Height = 11 mm </span>

<span>Volume of cylinder = (1/2)(pi)(4.5)^2(11) (the shape is divided into half)
V = 349.89 mm cubed
Volume of prism = L x W x H
= 9 x 11 x 6
= 594 mm cubed
Total volume of the composite shape = 111.375 + 594
= 943.89 mm cubed
Rounded answer = 944 mm cubed.</span>

6 0

4 years ago