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- A metal is used to conduct heat between two reservoirs at temperatures Th and Tc , respectively. When an amount of heat Q flows through the rod from the hot to the cold reservoir, what is the net entropy change of the rod, the hot reservoir, the cold reservoir, and the universe?i docs.yougle.com/forms E Under resting conditions che bady energy is being useci as folows O 2/sby t1e livor end splee O 20 %by thr skeletal musules Uncer resting conditions :he body energy is being used as folows.* O 19% by the brair O. 15%. by the kirlnry. Wa can write the first law of thermodynamics as: * O AJ=A, -AW. O AU=A0 +Aw.. Ikcal = J O 1 Kcel -4184). O 1koa -11181) IMet = kcalm2* O 1 met = 50 Kca /m hr O 1 rmrl =55 Ke /m hr 011 Many seople with high blood pressure can lower their blood pressure into e healthy range or keep their numbers in a healthy range by making lifestyle changes. Talk with your health care team about Grtting at Irant 150 minutos af O nhysiral ar:tivity anch wrak (ahni.t 30 minutes a day, 5 dayn a wenk) O smaking Blood pressure is measured using two nurmbers: O 120/30 mmHg." O 135/75 A small percentage (- %) of the food is excrotod in the fucos and urine.* O b-15% b- 15% l'age 3 of 1 Back Next Kaver atmit paaawerda Yegh Cang a Fors The fon wes createc…x Course Home MasteringPhysics: HW4 M Your Physics answer is ready. - sa X b Answered: A jet pilot takes his air X session.masteringphysics.com/myct/itemView?offset=next&assignmentProblemiD=135028808 Apps (1) NN P4... YouTube to MP3 Co.. phone cover for mo... AGARWAL-PHY-166 KHW4 Item 12 The space shuttle releases a satellite into a circular orbit 710 km above the Earth. Part A How fast must the shuttle be moving (relative to Earth) when the release occurs? Express your answer using three significant figures and include the appropriate units. Value Units Submit Request Answer Provide Feedback II
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- Suppose you have a 1000Wmicrowave that you need to run for 5minto heat up your dinner.1. How much energy does it take to heat up your dinner?2. At$0.12/kWhr, how long much does it cost to warm up your dinner?Integrated Concepts - In certain large geographic regions, the underlying rock is hot. Wells can be drilled and water circulated through the rock for heat transfer for the generation of electricity. (a) Calculate the heat transfer that can be extracted by cooling 1.00 km3 of granite by 100C. (b) How long will this take if heat is transferred at a rate of 300 MW, assuming no heat transfers back into the 1.00 km of rock by its surroundings?A 150 Hb.- ball initially on the top of a 20 ft ladder is dropped and hits the ground-with re ference to the ground : a) what is the initial kinetic and potential energ Y ot 7 the ball ? by ft.Ibf unit b) What is the final Kinetic f potential energy of the ball? c) What is the change in kinetic. f potential energy for the process d) If all the initial potential energy were somehow Converted to heat, how many calories would this amount to ? How many Btu ? How many Joules ? 20 reference Sur farce
- An ice cube at a temperature of 0°C and a mass of 50.0 kg slid with an initial speed of 5.38 m.s-1.it stopps after 28.3 meters. How much ice melted due friction? Asuming that all heat released during friction is transfered to the ice cube. (The heat od dusion for ice at 0°C is 333 kJ/kg)A PHYS 1510 student was working on a robotics project. The joints on the machine they were building were powered by pistons. Based on how hot the machine was getting, the student was able to figure out that 2.34 J of thermal energy was produced by every piston every time the piston was fully extended to 0.4064 m. What was the force of friction that the piston experienced during every extension? Assume friction is the only source of thermal energy. Include units in Sl.s Checkout Gradebook 9 physics (1).pdf G atrial fibrillation - Goo x W PHY 206 HW Bonus- C Find The X- And Y-com x G how to use arctan on t i webassign.net/web/Student/Assignment-Responses/tutorial?dep=25444823&tags=autosave#question4499918 12 ADDITIONAL PROBLEMS Question 5.1a: The figure shows a box of mass m = 5.15 kg pulled to the right across a horizontal surface by a constant tension force of magnitude T= 24.5 N. The tension force is inclined at an angle e = 23.0° above the horizontal and the friction force has magnitude f, = 13.5 N. The box is pulled a distance d = 1.65 m. Determine the work done on the box by the tension force, the normal force, and the kinetic friction force. We'll use W, Wa and W, to represent the magnitudes of the tension, normal, and friction forces, respectively. W = W. = Question 5.1b: The figure below shows a 1.70 x 10*-N car rolling down a ramp inclined at an angle of 0 = 34.5° above the horizon. The car rolls a distance of 14.0 m.
