S/REF No. Date If the load distance of a level is 20 cm and effort distance is 6ocm, calculate the amount of effort required to lift a load 200 N.​

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted