a uniform meter stick balances on a fulcrum placed at the 70 cm mark when a weight w is placed at the 90 cm mark. what is the weight of the meter stick

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?