A child of mass 34 kg sits on a wooden horse on a carousel. The wooden horse is 3.1 m from the center of the carousel, which rotates at a constant rate and completes one revolution every 5.3 seconds.

(a) What are the magnitude and direction of , the parallel component of for the child?

magnitude: kg·m/s/s

(b) What are the magnitude and direction of , the perpendicular component of for the child?

magnitude: kg·m/s/s

(c) What are the magnitude and direction of the net force acting on the child?

magnitude: N

Will a heavier bowling ball hit pins better than a lighter bsll

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?