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- (a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she have in 2.0 y? (b) In 2.00 y? (c) In 2.000 y?B) 70 C) 140 160 tish smms bela the surtace at the nater at p Whane shald to catuh it a tishorman thiw a spear in ader A) ward where he sathefishe BAlbne whore hesees the tish Belau whore he sees the fish Water (na133) Actual PashoWhen you are swimming at the bottom of a pool, the water above and around you exerts force on your eardrum. Calculate the force (in N) exerted on your eardrum when you are at the bottom of a pool that is 5.0 m deep. Assume that the area of your eardrum is 1 cm^2 and the density of water is 1000 kg/m^3 (10,000 cm^2 = 1m^2) (Ans: 5N) To solve this, which of the following equation/s should you use (check as many that best applies) O Q = mL O F1_ F2 A1 A2 O F=ma O A1V1= A2V2 O fEdA = denc €0 Ο ΔL αLo Δ . O du = dQ - dW or AU= Q- W O PV = nRT Pz +pgh2 + pv=P1+pgh1+ F Op= O as-S O P= pgh O e=! Tc 1- Tn Ow-ov V2 W = O Fp = P fluidgV submerged Op =m/V F = 4πεο O Tk = T+273.15K
- 18) Please need the correct to this problem with full explanation and methods how you get the answer, please.can you pls answer it step by step? the answer should be Q=-6150 J but idk how. thank youZEE O PA:07 * ZAIN IQ I. 2_5368373360... اسئلة امتحان الفيزياء قسم هندسة الإنتاج والمعادن فرع هندسة التعدين واستخلاص المعادن المرحلة الأولى Q1/A 0.3 Kg ball has a speed of 15 m/s calculate : a) the kinetic energy, b) if its speed is doubled what is the kinetic energy? Q2/ How much heat does 50g of aluminum give off as it cools from 100c to 10c? for aluminum c=88 J/Kg.c". Q3/How much work is done against gravity in lifting a 10 Kg object through a vertical distance of 50 cm? Q4/ How much heat is required to raise the temperature of 30 Kg air in the room from 5c'to 20c'when a heater is used to heat this room,under this conditions the specific heat capacity of air=1000 J/Kg.K
- S Can 6 PAR к Торс K Unit K In x K Moti = Cop K Unit S Spee S Topo S Math Micr eb.kamihq.com/web/viewer.html?source-filepicker&document_identifier=137VZR5BZOVSAIMOA55WU555_CvJ9NacO + 100 P e Interpreting Graphs Answer the questions following the graphs on each side Dietance va. Time 2 7 10 11 12 13 14 Time in soconds 1. From 1 second to 2 seconds, how fast is the object traveling. (Take the difference in distance and divide it by the time in between the 2 distances) 2. Is the object going as fast between 9 and 12 seconds as it is between 1 and 4 seconds? How can you tell? 3. What is the motion of the object between 4 and 6 seconds? acer1%A9 li. t LTET 4G+ Vol) O A X O U 9:-7 Second H.W.pdf 1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- Az = 3 ,A, = -2 b- B, = -2 ,B, = 2 2. What is the speed of horse in meter per second that runs a distance of 1.2 miles in 2.4 minutes? 3. A car moving along X- axis according on the function: X (t) = 2 t2 + 5t +7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s. 4. Julie is walking around a track at a 2m/s for some exercise. She then decides to start jogging so she accelerates at a rate of 0.5m/s? for 3 seconds. How far did Julie travel from the time she started to accelerate to the end of the 3 seconds? 5. Ralph uses a 2000 to do this. force to push his car along a road for 1000 m. It takes him500 s a- Calculate the amount of work that Ralph did on the car. b- Calculate the amount of power that he generated. II1. Convert 1.35 x 10° km² to Liters Answ: 1.35 x10" liters 2. Convert 30 ug / f° to kg/m³ NB: (Ift = 12 inches, 1 inch = 2.54 cm) Answ: 1.06 x 10* kg/m² 3. An average human has a life expectancy of about 2 x 10° seconds (70 years). If a human's heart rate is 80 beats / min, determine the total number of beats a human would make in such a life time? Answ: 3 G beats 4. A typical atom has a diameter of 1.0 Å, approximately how many of this atoms would fit on a 1.0 cm line. ( 1 Å = 10" m ) Answ: 0.01μ αtom 5. A certain liquid has a density of 0.789 g / cm³. What volume in cubic mm should be poured into a graduated cylinder to give a mass of 19.8 g? Answ: 2.51 x 10 mm² 6. A fish tank has dimensions of 20 inch x 20 inch x 10 inch. What's the maximum volume of water, in millilitres, it can hold? Answ: 6.555 x10ʻ m L 7. Calculate these numbers and express your answer in the correct decimal or significant numbers. 0.0065 x 3.21 + 0.0911 Answ: No hint,.. duh O 8. A space object orbits the earth…
- 1039.83 is wronggI need help with this Hw Problem. Im having trouble understanding the concept.E Edulastic -→ C企 A app.edulastic.com/student/assessment/612d40e134150600096ede01/class/60ecbbe284e66e8d62a95cff/uta/61310195c7a5190009489400/itemld/612d40e1341 Question 2/13 > NEXT A BOOKMARK Select the following answer choice which correctly explains the motion of the object in the time vs position Graph 1. Time (s) the object traveled at 2 m/s for 1 second, stopped for 2 seconds, and then traveled at .5 m/s for 4 seconds in a positive direction. B The object traveled at .5 m/s for 1 second in a positive direction and then traveled at 2 m/s for 4 seconds at a negative velocity The object traveled at 2 m/s for 1 second in a positive direction and then traveled at .5 m/s for 4 seconds in a negative direction D The object traveled at 2 m/s for 1 second in a positive direction and then traveled at .5 m/s for 4 seconds in a positive direction P Type here to search