Angola 12th Grade Physics (Exame Nacional De Física) Practice Questions - Angola 12th Grade National Examination - Physics (Física - Código 123) Exam

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A block of mass 5.0 kg rests on a frictionless horizontal floor. A pulling force of magnitude F = 25 N is applied at an angle of 37° above the horizontal. Given cos(37°) = 0.80 and sin(37°) = 0.60, what is the horizontal acceleration of the block?

3.0 m/s^2 6.25 m/s^2 5.0 m/s^2 4.0 m/s^2

Correct Answer:

4.0 m/s^2

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