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Kazeer [188]
4 years ago
15

Which statement is true regarding coppers ability to conduct electricity

Physics
1 answer:
Alecsey [184]4 years ago
6 0
Copper is the second best known electrical conducting substance. The first best one is silver. We almost always use copper because silver costs too much.
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Pls help me pls i’m begging u
Minchanka [31]

Answer: Rolling Friction

Explanation:A rolling ball stops because the surface on which it rolls resists its motion. A rolling ball stops because of friction.

3 0
3 years ago
If a body of mass 10 kg is pushed with a force of 15N, then the acceleration of the body is
sladkih [1.3K]

Answer:

1.5m/s2

Explanation:

F=ma

a=F/m

a=15/10

a=1.5m/s2

7 0
3 years ago
NEED TODAY
lisabon 2012 [21]

Answer:

No, projectile launched at 20° landed first.

Explanation:

70° projectile had a vertical velocity of v*sin(70), which is significantly bigger than v*sin(20). Since v=vx+at, we can see that Vyi*sin(20)-gt < Vyi*sin(70)-gt

solve for t, you can check that by substituting velocity for any number.

3 0
2 years ago
Read 2 more answers
After driving a portion of the route, the taptap is fully loaded with a total of 25 people including the driver, with an average
alexira [117]

Answer:

Incomplete Question

Explanation:

String constant is not stated

I'll solve this in a general way.

At the end of my explanation, I'll assume any value for string constant.

The total weight on the taptap : Weight of people + Weight of goats + Weight of chickens + weight of banana

= (25 * 66) + (3 * 15) + (5 * 3) + 25 = 1735 kg

The gravitational force exerted on the taptap

Fig = m*g

where m = the total mass 1735kg

and g = 9.8m/s²

Hooke's law of Elasticity states that

Fs = Kx

Where Fs = spring force

k = spring constant

x = spring stretch or compression

Since Fs = Fg

So, Kx = mg

Make x the subject of the formula

x = mg/k --------------- This is the general way of solving for spring compressor in cases like this

I'll replace m and g with their values, respectively.

Because, the spring constant (k) is omitted in the question, I'll assume it to be 30000

x = 1735 * 9.8/30000

x = 17003/30000

x = 0.566767 metres

x = 0.57 metres ------------- Approximated

In conclusion, the spring compression is 0.57 metres if the spring constant is 30000

6 0
3 years ago
If an element has 5 electrons how many of them will be in the 2nd energy level
egoroff_w [7]
Oi mate 3 electrons will be in tha 2nd energy level you silly willy.
6 0
3 years ago
Read 2 more answers
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