Which way will the force lines point in a diagram of the electric field surrounding a positive charge? a.
Toward the charge
c.
Both toward and away from the charge
b.
Away from the charge
d.
Direction depends on the strength of the charge

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If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?