Answer:
2.6×10^{10} m/s
Explanation:
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Answer:

Explanation:
As per Ampere's law the magnetic field at the surface of the wire is given as

here we have

so we will have

now again we use same value of current but wire with double the diameter
so the magnetic field at the surface is given as

so we have

Answer:
366.90149 m/s
923.821735 J
324.734 J
Initial Kinetic energy > Final kinetic energy
Explanation:
= Mass of block = 0.072 kg
= Mass of bullet = 4.67 g
= Initial Velocity of block = 0
= Initial Velocity of bullet = 629 m/s
= Final Velocity of block = 17 m/s
= Final Velocity of bullet
In this system the linear momentum is conserved

Final Velocity of bullet is 366.90149 m/s
The initial kinetic energy

The final kinetic energy

Initial Kinetic energy > Final kinetic energy
Answer: B: The car is speeding up in the same direction as it is traveling.
Explanation:
I took the test and got it right
1) 211m/s
2)240<span>°
3)759,600m or 759.6 km</span>