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P1. (10 points) A rock is suspended from a scale that reads 20.0 N (in air)....
A mass of 1000 kg hangs at the end of a steel rod 5.0 m in length. The diameter of the rod is 0.80 cm and Young's modulus for the rod is 210,000 MN/m^2. What is the elongation of the rod? 1.8 cm 1.2 cm 0.46 cm 0.047 cm 0.12 cm A rock is suspended from a scale reads 20.0 N. A beaker of water is raised up so the rock is totally submerged in the water. The scale now...
7. A solid rock ,suspended in air by a spring scale, has a measured weight of 72 x(# N) newton. When the rock is submerged in water, scale reads 1/3 x(#N) newton. What is a specific density of the rock? Density of water pw=1000 kg/m"; SG= Prock /pw ; B= pw Vg; a) None of these is true b)4.55 c)5.99 d) 1.22 e)2.42
4. When a solid object is suspended from a spring scale in air the scale reads 21.7N. The object is then completely submerged in water and the spring scale reads 16.6N. Draw a free-body diagram for the object suspended from the scale in air. You may ignore the very small buoyant force from the air. Using a Newton's 2 nd law equation for the vertical direction on your FBD determine the mass of the object. Draw a free-body diagram for...
A 6.0 kg iron block is suspended from a spring scale and is submerged in a fluid of unknown density. The spring scale reads 3.0 N. What is the density of the fluid? The desity of iron is 7. 80 × 103 kg/m3.
A rock is suspended by a light string. When the rock is in air, the tension in the string is 40.1 N. When the rock is totally immersed in water, the tension is 27.0 N. When the rock is totally immersed in an unknown liquid, the tension is 19.6 N. Part A What is the density of the unknown liquid?
A solid block is attached to a spring scale. When the block is suspended in air the scale reads 15.0 N; when it is completely immersed in water the scale reads 13.1 N. (a) What is the block's volume? _____ m3 (b) What is the block's density? ______kg/m3
An object suspended from a spring scale weighs 0.56 N in air. The same object completely submerged in water and suspended from the same spring scale weighs 0. P(water) = 1 g/ml = 1 g/cm^3 = 1000 kg/m^3 Draw a clearly labeled free body diagram for: i. The mass suspended from the spring balance in air ii. The mass suspended from the the spring balance in water
A.) An object weighs 70.5 N in air. When it is suspended from a force scale and completely immersed in water the scale reads 15.9 N. Determine the density of the object. B.) When the object is immersed in oil, the force scale reads 47.0 N. Calculate the density of the oil.
A rock is suspended by a light string. When the rock is in air, the tension in the string is 52.9 N . When the rock is totally immersed in water, the tension is 39.6 N . When the rock is totally immersed in an unknown liquid, the tension is 21.4 N . What is the density of the unknown liquid? Express your answer with the appropriate units.
A rock is suspended by a light string. When the rock is in air, the tension in the string is 61.9 N. When the rock is totally immersed in water, the tension is 39.6 N. When the rock is totally immersed in an unknown liquid, the tension is 21.4 N. Part A What is the density of the unknown liquid? Express your answer with the appropriate units.