What gauge pressure must a pump produce to pump water from the bottom of the Grand Canyon (elevation 730 m) to Indian Gardens (elevation 1370 m )? Express your result in pascals and in atmospheres. Pgauge 6.27x108 Pa Submit Previous Answers ✓ Correct Part B Page= VE ΑΣΦ atm

Part A How deep underwater should you dive to quadruple the atmospheric pressure at the surface? Note: 1 m = 3.28 ft. Express your answer in feet to one significant figure. Π. ΑΣΦ h=135.65 B Submit Previous Answers Request Answer Provide Feedback ? X Incorrect; Try Again; 5 attempts remaining ft P Pears

26.

A 2.8 kg balloon is filled with helium ( density = 0.179 kg/m³). You may want to review (Pages 513 - 514). Part A If the balloon is a sphere with a radius of 5.2 m , what is the maximum weight it can lift? Express your answer using two significant figures. 圈]? W = Submit Previous Answers Request Answer

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

Suppose you have a coffee mug with a circular cross section and vertical sides (uniform radius). What is its inside radius if it holds 385 g of coffee when filled to a depth of 7.5 cm? Assume coffee has the same density as water of 1000 kg/m³. Think & Prepare 1. What is the shape of the coffee mug? How would you calculate the volume of the coffee mug? r= cm