Question

A moving electron accelerates at
5200 m/s2 in a 55.0° direction.
After 0.530 s, it has a velocity of
6598 m/s in a -20.5º direction.
What is the x-component of the
initial velocity?

Answer 1

Explanation:

In the x direction:

v = at + v₀

6595 cos(-20.5º) = 5200 cos(55.0°) (0.530) + v₀ₓ

v₀ₓ ≈ 4597

The x-component of the initial velocity is approximately 4600 m/s.

Answer 2

4600m/s (approx) is the initial velocity of the x component.

The formula used is-

v = a*t+v0

v = 6595 cos(-20.5º)

a =5200 cos(55.0°)

and t = (0.530)s

so after putting the values in the equation we get

v0 = 4597m/s which is approximately 4600 m/s

What is velocity?

• It can be defined as the distance covered by an object in a unit of time.
• Velocity can be defined as the displacement of an object in a unit of time.

Learn more about velocity here

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