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a_sh-v [17]
4 years ago
7

If you know a car traveled 300 kilometers you can find it's ?

Physics
1 answer:
Artemon [7]4 years ago
5 0
If that's all the information you have, then the only thing you can infer
is that the number displayed on the car's odometer was 300 greater at
the end of the trip.
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A fuse in an electric circuit is a wire that is designed to melt, and thereby open the circuit, if the current exceeds a predete
Alex17521 [72]

Answer:

0.0366 m

Explanation:

We are given;

Current density; J = 540 A/cm² = 540 × 10⁴ m

Current; I = 0.57 A

Now, formula for current density is;

J = I/A

Where A is area = πr²

Thus;

J = I/(πr²)

r = √(I/(Jπ))

r = √(0.57/(540π))

r = 0.0183 m

Diameter = 2 × radius

Diameter = 2 × 0.0183

Diameter = 0.0366 m

7 0
3 years ago
What is it called when sediment is dropped and comes to rest?
rosijanka [135]
It's called deposition. 
7 0
3 years ago
You watch distant Sally Homemaker driving nails into a front porch at a regular rate of 1 stroke per second. You hear the sound
san4es73 [151]

Answer:

d = 343 m

Explanation:

As we know that the speed of sound in air is given as

v = 343 m/s

now the rate of strike is 1 stroke per second

so distance is given as

d = v t

now we will have

t = 1 s

d = 343 \times 1

so the distance is given as

d = 343 m

5 0
3 years ago
Which EM wave is about the size of humans?
shutvik [7]
The Electromagnetic ave that is about the size of humans is : A typical micro waves have around 14 inches ( 1.1 meter) in height.
This is very similar to the height of human right before we hit puberty (around 9 - 10 years old)

8 0
4 years ago
By how many newtons does the weight of a 85.9-kg person lose when he goes from sea level to an altitude of 6.33 km if we neglect
sergejj [24]

Answer:

Weight\ loss=1.6321N

Explanation:

From the question we are told that:

Weight W=85.9kg

Altitude h= 6.33 km

Let

Radius of Earth r=6380km

Gravity g=9.8m/s^2

Generally the equation for Gravity at altitude is mathematically given by

 g_s=9.8(\frac{6380}{6380+6.33})^2

 g_s=9.781m/s^2

Therefore

Weight at sea level

 W_s=9.8*85.9

 W_s=841.82N

Weight at 6.33 altitude

 W_a=9.781*85.9

 W_a=840.2N

Therefore

 Weight loss=W_s-W_b

 Weight loss=841.82-840.2

 Weight loss=1.6321N

3 0
3 years ago
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