What is the acceleration of box across the floor

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Q. A helicopter is ascending vertically with a speed of 5.20m/s. at a high of 125m above the earth, a package i dropped from a window. How much time does it take for the package to reach the ground? (Hint: the package's initial speed equals helicopters.)

Q. A large box whose mass is 20kg rests on a frictionless floor. A mover pushes on the box with a force of 250 N at an angle of 35 degrees below the horizontal. What is the acceleration of box across the floor?

Reference no: EM1371509

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