a block is suspended from a scale and then lowered into a bucket of water the density of the water is 1 gm/cm^3. the initial reading on the scale is 19N and one complete revolution of the scale is a change of 10N. What is the volume of the block in cm^3?

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Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.