Above what speed does a 2.5-mm-diameter ball bearing in 20° C water experience quadratic drag? Express your answer with the appropriate units. Uwater = Value Submit μÀ Part B Request Answer Units ? Units input for part A Below what speed does a 2.5-mm-diameter ball bearing in 20°C air experience linear drag?
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- You have three objects of varying shapes and sizes: Object 1 is a rectangular block of tin. Object 2 is a cube of aluminum. Object 3 is a sphere of copper. a. the density of tin is 5.75g/cm2. What is the mass of object 1 in kg if the rectangular block has a volume of 1.34L? b. what is the volume in cubic inches of object 2 if the cube of aluminum 7.58 inches on a side? c. what is the mass in kg of object 2? the density of aluminum is 2.70g/cm3 d. what is the volume in cm3 of object 3 if the sphere of copper has a diameter 8.62cm? the volume of the sphere is 4 {pi}^3/3 e. what is the mass in kg of object 3? Copper has a density of 8.96g/cm3A supposedly gold nugget displaces 18.1 mL of water and has a mass of 348 g. Part A Calculate the density of the nugget. Express your answer to three significant figures and include the appropriate units.A helium balloon (in the shape of a sphere) has radius 7.10 m. For the density of air, please use 1.29 kg/m^3, and for Helium, use .179 kg/m^3 Part A How much additional mass (payload) could this balloon lift? You should assume the balloon's skin, plus other parts of the balloon's structure have a total mass of 900 kg. Note however that this number does NOT yet include the mass of the helium filling the balloon, which you will need to account for! Express your answer using two significant figures. ▸ View Available Hint(s) m = for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Submit Constants kg
- A trough is filled with a liquid of density 865 kg/m³. The ends of the trough are equilateral triangles with sides 4 m long and vertex at the bottom. Find the hydrostatic force (in N) on one end of the trough. (Use 9.8 m/s² for the acceleration due to gravity.) NWhen an open-faced boat has a mass of 5250 kg , including its cargo and passengers, it floats with the water just up to the top of its gunwales (sides) on a freshwater lake. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of raising sunken treasure. Part A What is the volume of this boat? Express your answer in meters cubed. V = m³ Submit Request Answer Part B The captain decides that it is too dangerous to float with his boat on the verge of sinking, so he decides to throw some cargo overboard so that 10.0% of the boat's volume will be above water. How much mass should he throw out? Express your answer in kilograms. Πνα ΑΣφ ? Am = kg Submit Request AnswerA thin-walled hollow spherical ball of mass 0.4 kg and radius 0.1m is filled with alcohol of density 800 kg/m3. It is released from the bottom of a pool filled with water. a. sketch a FBD for the ball b. write out newtoon's 2nd law equation c. Find the acceleration of the ball