A particle at rest undergoes an acceleration of 1.5 m/s 2 to the right and 3.7 m/s 2 up. what is its speed after 6.4 s? answer in units of m/s.

Question

Ariel Castro

Physics

2 May, 10:39

A particle at rest undergoes an acceleration of 1.5 m/s 2 to the right and 3.7 m/s 2 up. what is its speed after 6.4 s? answer in units of m/s.

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Answers (1)

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Herp Derp · Answer 1

The resultant of the acceleration can be found using:

a = √ (ax² + ay²)

a = √ (1.5² + 3.7²)

a = 3.99 m/s²

v = u + at, u = 0

v = 3.99 x 6.4

v = 25.5 m/s