What is new acceleration of the box

Reference no: EM138364

Q1. The student now starts moving a box up a 10.0° incline, keeping her 142 N forces directed at 27.0° above the line of the incline. If the coefficient of friction is unchanged, what is new acceleration of the box?

Q2. A 12 kg weather rocket generates a thrust of 250 N. The rocket, pointing upward, is clamped to the top of a vertical spring. The bottom of the spring, whose spring constant is 560 N/m, is anchored to the ground. What is the rocket's speed while the spring has stretched 40 cm?

Reference no: EM138364

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