One force of magnitude 77 acts on an object. Another force of magnitude 68 acts on the object at a right angle, what is the magnitude of the resultant force on the object?

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.