Cik Aliya with a mass of 50 kg is climbing up to the top of 20 m stairs within 1 minute. Calculate the work done and power produced by Cik Aliya to climb up the stairs

Will you chech and finish these for me, because i am stumped with them.

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.