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- A chain of nuclear reactions in the Suns core converts four protons into a helium nucleus. (a) What is the mass difference between four protons and a helium nucleus? (b) How much energy in MeV is released during the conversion of four protons into a helium nucleus?(a) The lifetime of a highly unstable nucleus is 10-20. What is the smallest uncertainty in its decay energy? (b) Compare this with the rest energy of an electron.(a) Calculate the approximate age of the universe from the average value of the Hubble constant, H0=20km/s . Mly. To do this, calculate the time it would take to travel 0.307 Mpc at a constant expansion rate of 20 km/s. (b) If somehow acceleration occurs, would the actual age of the universe be greater or less than that found here? Explain.
- 2.37. The 2-line elements for satellite NOAA 18 are as follows: NOAA 18 1 28654U 05018A 05154.51654998-.00000093 00000-0-28161-4 0 189 2 28654 98.7443 101.8853 0013815 210.8695 149.1647 14.10848892 1982 Determine the approximate values of (a) the semimajor axis, and (b) the latitude of the subsatellite point at epoch.21/WI B X M Inbox (9 x ILourseld=16544025&OpenVellumHMAC=ed9a5440b33a265c23d9d62107290c4c#10001 O Post Att x Scott B x O Course Xx + puTube M Gmail D Web design tutori. WA MATH180: HW08-. Update Winter 2021 PHYS 231 03 Hi, ala v Sign Out Help g Physics Course Home I Review I Constants A 1.3 kg ball on the end of a lightweight rod is located at (z, y) = (3.0 m, 2.0 m), where the y-axis is vertical. The other end of the rod is attached to a pivot at (z, y) = (0 m, 3.0 m). Part A What is the torque about the pivot? Express your answer using unit vectors. Express your answer in terms of the unit vectors i, j, and k. Use the 'unit vector' button to denote unit vectors in aring your answer. ? Hνα ΑΣφ Nm 7 = Submit Request Answer Next> Provide Feedback 64 RUS Physics: Section 50-4 | Sch x S Physics AB - Final review X S Physics: Section 50-4 | Sch x ← → aldine.schoology.com/assignment/5938514670/assessment AldinelSD.org Bookmarks G Google Image Resu... Gi have one in spanis.... S Solving Absolute V... 10 D Miles away from home 9. 8- 24 1 A B C 0 8:00 9:00 10:00 Time miles. The total distance travelled by the object is The net displacement (Ax) of the object is Displacement (Ax) of the object between 8:00 and 9:30 is Displacement (Ax) of the object between 8:00 and 12:30 is Word Bank: 11:00 Login Home | Schoology 12:00 miles. E 13:00 miles. miles. Physics chapter 6 Flashcar X + Q * X ⠀ Reading list
- MV². -)dV 2RT M dN = 47(- N 3/2v² exp(- 2 RT F(V)dV =! Find the Vm value by considering the following curve 25 x 10-* 20 x 10-4 298 K 15 x 10-4 10 x 10-4 1500 K 5 x 10-4 Vm Vm u, m s-1 All questions are compulsory. 00s 000z 00S np N NP IA 83.0 kg athlete running a "4-minute mile" (i.e. 4.00 min/mile) _____ nm an electron (me = 9.10939 1028 g) moving at 3.90 106 m/s in an electron microscope _____ nm.ll 3 12:37 p.m. @ 79% AA brightspace.ucd.ie Laura Fleming: Attempt 1 A charged particle Qo=1 nC is placed on the positively charged plate of a capacitor, as in the figure below. What is the work done by the capacitor to move the particle Qo onto the other plate of the capacitor, as illustrated by the dashed arrow in the figure? The total charge on the plate of the capacitor is Q=10 mC, the area of the plates is 1 m2, and the distance between the two plates is 0.1 mm. Qo does not affect the electric field inside the сараcitor. Q I+ A d + + + + + +
- A dolphin located in sea water at a temper- ature of 26°C emits a sound directed toward the bottom of the ocean 165 m below. How much time (in seconds) passes before it hears an echo? Assume the the speed of sound in sea water is 1530 m/s at this temperature.W (1) Messenger A PRELIM EXAM M Inbox (1) - 2223626@slu.edu.ph A classroom.google.com/u/1/c/NDQ5MTIxMjc2MzAz/a/NDCZNJK4MZY4NDM2/details X- 3X – 10 f(x) = 2991 EnggMath 2 Differential X+2 h. 10:30-11:30 TTHSF x' +x? –17x+15 f(x)= i. х? + 2х-15 O PRELIM Assigned 5. Using the FOUR-STEP rule in evaluating derivatives, find dy/dx in each of the functions given below. Show complete solution. ROMMEL ACOSTA 95 points dd or create X y = X-1 j. k as done y = Vx+1 k. 6. Using differentiation formulas, write the derivative with respect to x of the following. Find the sum of A, B, and C or (A + B + C) = ? Missing letters may be assumed to be zero. nments to ROMMEL ACOSTA х3 — 1 y = 2x' +1 dy Ax' (x' – 1)° , thus, dx (2x" +1)° 2 Class comme I. dy_ (A+x) VBx Add a class comm 2 +=x12 +4, thus, 5 y = 2x"2 + 1/2 3 dx m. Page 2 I 3 + 10:25 AM Search the web and Windows 22/02/2022II. Ordinary Notation 456,000 0.000457 Scientific Notation (6.) (7.) (8.) 23,700 (9.) (10.) (11.) (12.) 2.34 х 104 2.34 x 104 4.90 x 102 7.82 x 105