Physics Physics Practice Problems Solutions Library

Density Solutions Library

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11 solutions

Density

Q. The density of a human body can be calculated from its weight in air, Wair, and its weight while submersed in water, Ww. The density of a human bod...

Solved • Feb 26, 2021

Density

Q. A 68 kg college student's body has a typical density of 1050 kg/m3.a: what is the volume?

Solved • Jan 13, 2021

Density

Q. An object weighing 1.840 kg has a volume of 0.0015 m3. what is the density of the object in g/cm3?

Solved • Nov 2, 2020

Density

Q. A rectangular wooden block of weight W floats with exactly one-half of its volume below the waterline. The wooden block is removed from the water b...

Solved • Jun 2, 2020

Density

Q. Air enclosed in a sphere has density 1.5 kg/m^3. What will the density be if the radius of the sphere is halved, compressing the air within?

Solved • Mar 11, 2020

Density

Q. A bottle has a mass of 35.50 g when empty and 98.50 g when filled with water. When filled with another fluid, the mass is 89.00 g. What is the spec...

Solved • Mar 5, 2019

Density

Q. If 5.1 L of antifreeze solution (specific gravity = 0.80) is added to 4.1 L of water to make a 9.2 L mixture, what is the specific gravity of the m...

Solved • Mar 5, 2019

Density

Q. A piece of pipe has an outer radius of 4.7 cm, an inner radius of 2.8 cm, and length of 32 cm as shown in the figure. What is the mass of this pipe...

Solved • May 24, 2017

Density

Q. One cubic meter (1.0 m3) of aluminum has a mass of 2700 kg, and a cubic meter of iron has a mass of 7860 kg. Find the radius of a solid aluminum sp...

Solved • May 24, 2017

Density

Q. A cylinder, 16 cm long and 3 cm in radius, is made of two different metals bonded end-to-end to make a single bar. The densities are 4.4 g/cm3 and ...

Solved • May 24, 2017

Density

Q. How long are the sides of an ice cube if its mass is 0.45 kg? ( Express your answer to two significant figures.)

Solved • Mar 27, 2017