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Leto [7]
3 years ago
12

List five situations in which temporary wiring would be used

Physics
1 answer:
Nimfa-mama [501]3 years ago
8 0

an emergency

building a test circuit

temp joining components

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A massive block is being pulled along a horizontal frictionless surface by a constant horizontal force. The block must be ______
snow_tiger [21]

Answer:

The body must be moving with a constant non zero acceleration.

Explanation:

Force produces acceleration on any mass it is applied on. The acceleration produced depends on the magnitude and direction of the force. For this block being dragged by a constant horizontal force, The body will undergo a constant non-zero acceleration that will steadily increase its velocity along the direction of the force.

4 0
3 years ago
When a hailstone is at a height of 2.00km it’s mass is 2.50g what is it’s potential energy?
scZoUnD [109]

Answer:

EP = 49.05Joules (J)

Explanation:

The equation for Potential energy (EP) is

EP = m g h

We are given the values below (do convert them into SI units)

m = 0.0025kg

h = 2000m

g = 9.81m/s^{2}

Substitute the values into the equation and solve for EP

EP = 0.0025 * 2000 * 9.81

EP = 49.05Joules (J)

6 0
3 years ago
An electric circuit has a 200 22 resistor and a current of 5 A. What is its voltage?
Wittaler [7]

Answer:

ccccccc. ccccccc ccc ccccccc c

8 0
3 years ago
What is the wavelenght and the frequencen of walkie-talkie?
GuDViN [60]
Nowadays, most of the walkie talkies ... and all R/C models ... operate in the "Family Radio Service" (FRS) band. That's 46-49 MHz. The wavelength is 6.12-6.52 meters.
8 0
3 years ago
6. A 2.2 kg rock rests on the edge of a bridge that is 3.3 m above a river. What is the
vovikov84 [41]

Answer: 71 J

Explanation: The formula for gravitational potential energy is Epg= mgh.

So you plug in 2.2 as m, 3.3 as h and 9.81 as g. Once you do that you should get an answer of 71.2206. But because there are only two significant digits in the question, your answer must also have two significant digits.

6 0
3 years ago
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