Stock of Data Physics-Problem Solving Entries PROBLEM SET for Module 6 (Matter) to prepare for quiz #6. Solution Key Idea 1. Vadim bought his wife a "gold" bracelet from a guy on the street for $100. If he drops it in a beaker of Sanity Check Stock of Data water and the volume raises 400 cm and the mass is determined to be 0.5 kg, then is the jewelry gold? If it is not gold then what do you think it is made of? Solution 4. Your friend of mass 80 kg float in fresh water. What her approximate volume. ( Human density is Sanity Check Physics-Problem Solving Entries about 1000 kg/m" Key Idea 7. Calculate the mass flow rate (in grams per second) of blood (p = 1.0 g/cm3 ) in an aorta with a cross- Physics-Problem Solving Entries sectional area of 2.0 cm2 if the flow speed is 40 cm's. Stock of Data Key Idea Solution Physics-Problem Solving Entries Stock of Data Sanity Check Key Idea Solution Stock of Data 2. In liquid A, a body floats with 9/10th of its volume immersed, while in liquid B it floats with 3/5th of Sanity Check its volume immersed. Compare the densities of the liquids. Solution 5. A small ferry boat is 4.00 m wide and 6.00 m long. When a loaded car pulls onto it, the boat sinks an Sanity Check additional 4.00 cm into the water. What is the weight of the car? Physics-Problem Solving Entries 8. An object weighing 300 N and the volume of 0.5 m' in air is immersed in oil after being tied to a string Key Idea Physics-Problem Solving Entries connected to a balance. The scale now reads 275 N. Find the density of the oil Stock of Data Key Idea Solution Physics-Problem Solving Entries Stock of Data Sanity Check Key Idea Solution Sanity Check Stock of Data 3. What is the density of a 7 kg solid cylinder that is 10 em tall with radius 5 cm. Solution 6. A rectangular air mattress is 2.0 m long, 0.50 m wide, and 0.08 m thick. the mattress is fully Sanity Check submerged. What the mass of the mattress? Physics-Problem Solving Entries Key Idea