When a rocket lifts off, it takes about 7 minutes (420 s) to reach orbital velocity. It does this at an acceleration of about 18.6 m/s2. What is the final velocity of the rocket?

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Frequency of electromagnetic waves that a radio station is assigned is called

Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.