Which of the following is equivalent to the expression one-ninth times twenty-seven? -three to the negative second power times three to the negative third power

-three to the negative second power times three cubed

-three squared times three to the negative third power

-three squared times three cubed

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.