Author Question: An object weighs 7.84 N when it is in air and 6.86 N when it is immersed in water of density 1000 ... (Read 140 times)

tatyanajohnson · **on:** Jul 29, 2018

An object weighs 7.84 N when it is in air and 6.86 N when it is immersed in water of density 1000 kg/m3. What is the density of the object?

A) 6000 kg/m3
B) 7000 kg/m3
C) 8000 kg/m3
D) 9000 kg/m3

Question 2

A 3.0-kg and a 5.0-kg box rest side-by-side on a perfectly smooth, level floor. A horizontal force of 32 N is applied to the 3.0-kg box pushing it against the 5.0-kg box, and, as a result, both boxes slide along the floor.

How hard do the two boxes push against each other? A) 12 N
B) 20 N
C) 24 N
D) 32 N
E) 0 N

smrerig · **Reply #1 on:** Jul 29, 2018

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