A field has an area of 765 m². A 0.5 m x 0.5 m quadrat was placed 8 times and the number of buttercups counted as follows 22, 10, 6, 8, 0, 11, 9, 17. Estimate the population of buttercups in the field.

B. elliptical. as in oval. 0 (==

The answer is  the potential energy of the bob at position b is 1.47 joules.if the maximum height of the bob is 0.45 meters when it swings back,1.323   joules of energy was transformed to thermal energy.hope this

Hi.the measurement  amperes represents the rate at which current flows.it's like the measurement of water flowing through a pipe.~

Because there is no air in the jar, the vibrations can not travel through the air and create sound.  (that's why there is no sound in space, there is no air)