Una mujer de 65 kg, se balancea sobre uno de los tacones de sus zapatos. Si el tacón es circular con un radio de 0,5 cm, ¿qué pr
1 answer:
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Explanation:
The expression for the magnetic field around the current carrying wire is given by :
Here,
I is electric current and r is distance from the wire.
The factors affect the strength of magnetic field around current carrying wire are :
- Electric current
- Distance from wire
Answer:
<em>The skydiver needs 0.71 seconds to reach 7 m/s</em>
Explanation:
<u>Free Fall Motion </u>
When an object is dropped in free air (no friction) from a certain height h, it follows a free-fall motion, whose acceleration is due exclusively to gravity. The speed at a moment t when the object is dropped (from rest) is:
We need to find How long does the skydiver needs to reach 7 m/s. We solve for t
The skydiver needs 0.71 seconds to reach 7 m/s