What is the relationship between the displacement and the period in a mass hanging on a spring oscillation and why?

Wood, plastic, rubber and air are good insulators because A. they conduct charge. B. charge flows easily. C. they don't have free electrons. D. they have low resistance.

A particular lever can lift a load with 80 percent efficiency. If 40 N of effort is applied 2.5 meters from the fulcrum, then what is the maximum load that can be lifted 1.5 m from the fulcrum? A) 5333 N B) 1920 N C) 66.7 N D) 53.3 N

A force of 250 N is applied to an object that accelerates at a rate of 10m/sec2. What is the mass of the object?

Why do the noble gases and some other elements on the right side of the periodic table occur as gases instead of solids as do the majority of the elements elements?

what is force? is it desirable or undesirable?

What is the dot product of a = - 2i - 5j and b=i - 4j

A race car driver must average 200 km/hr for four laps to qualify for a race. because of engine trouble, the car averages only 170 km/hr over the first two laps. what average speed must be maintained for the last two laps?

A machine has a mechanical advantage of 5. if 300 newtons of input force is used to produce 3,000 newton meters of work what is the output force and what is the distance over which the work is applied

An experiment in your science class lists the materials needed for the lab. It is your job, as a lab partner, to measure out 25 mL of distilled water and 2.5 grams of magnesium.

If the water cycle is effective why are some areas in the world always short on water?