Which of the following statements is true? Like charges attract and unlike charges repel each other. Gravitational forces only e
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The average velocity of the car for the whole journey is 69.57 km/h.
The given parameters:
- <em>Length of the road, L = 320 km</em>
- <em>Distance covered = 240 km at 75 km/h</em>
- <em>time spent refueling, t₂ = 0.6 hr</em>
- <em>Final velocity, = 100 km/hr</em>
The time spent by the before refueling is calculated as follows;
The time spent by the car for the remaining journey;
The total time of the journey is calculated as follows;
The average velocity of the car for the whole journey is calculated as follows;
Learn more about average velocity here: brainly.com/question/6504879
Answer:
The value is
Explanation:
From the question we are told that
The length of the solenoid is
The magnetic field is
The current is
The desired temperature is
Generally the magnetic field is mathematically represented as
=>
Here is the permeability of free space with value
So
=>