I got -0.028 and I got -0.0028 those are wrong answers I need help in this questions please.
I got -0.028 and I got -0.0028 those are wrong answers I need help in this...
Please help! I got this wrong. Please show work too. Thank you! Find the number of atoms in a copper rod with a length of 9.90 cm and a radius of 1.00 cm. The density of copper is 8.96 g/cm3 Express the number of atoms to three significant figures or x ion 芻 2.64 1022 Cu atoms Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
I know that the answers to this should be two negative numbers. Other than that, I cant seem to figure this out. On my last try! Member AB is rotating atWAB 9 rad/s. (Figure 1) Part A Determine the r and y components of the velocity of point D. Express your answers using three significant figures separated by a comma. Figure く.lof! > m/s Submit Previous Answers Request Answer 200 mm 200 mmD X Incorrect; Try Again; 2 attempts remaining...
I got R eq = 113.53, but for some reason, I was not able to find the needed currents in the circuit. Please give me a clear and detailed answer. Thank you! Review Constants Find io. Use a Y-to-A transformation to find the unknown quantities for the circuit in (Figure 1). Suppose that 0, = 11V. Express your answer to three significant figures and include the appropriate units. MÅ O 2 ? io = -0.011 A io = Submit Previous...
Please answer correctly, posted these before and got wrong answers. Problem 14.23 l Review 1 Constants 1 Periodic Table Y Part B The position of a 46 g oscillating mass is given by z() (1.8 cm) cos 13t, where t is in Determine the period Express your answer in seconds. seconds. T-0.68 Submit Previous Answers Request Answer Incorrect:; Try Again; 5 attempts remaining Part F Determine the velocity at t-0.41 s Express your answer in meters per second. m/s Submit...
This answer was from an expert response, I got wrong for that as you could see. Can any expet on the filed help me here please. Hint: the power is a delivering power which is negative. Thanks Problem 6.5 1 of 8 The current in a 200 mH inductor is Part A i=75 mA, i= (Bics 200t+B2 sin 200t)ese A, > 0, where t is in seconds. The voltage across the inductor (passive sign convention) is 4.25 Vatt-0 ts0 Calculate...
Take that I = 18 A (Figure 1) Part A Find the value of u in the figure. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) U 140 V Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Part B Find the value of i in the figure. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) Figure < 1 of 1 > HA MO?...
please help me with part C,D, and E. I dont understand how to get that. The posltion of a car as a function of time is 9ven by e (40 m) + (-6.0 m/ot+ (-10 m/)e PartA What is the initial position of the car? Express your answer to two significant figures and include appropriate units. 40 m Previous Answers Correct Part B What is the initial velocity of the car? Express your answer to wo significant Sgures andincode appropriate...
A transverse wave on a string is given by the formula D(x,t) = 0.15 sin(4.0x - 43.0t). where D and z are in m and t is in s Part AAt t = 7.0 x 10 2s. what is the transverse displacement of the point on the string where z-0.45m? Express your answer using two significant figures. D(0.45m, 7.0 × 10-2S) = Part B At t = 7.0 × 10 2s. what is the (transverse) velocity of the point on the string where x =...
Need help with these and these only Exercise 1.24 Correct Part C Fnd the magnitude of he vector diference A B Express your answer using two significant figures. Submit Previous Answers Request Answer X Incorrect: Try Again; 4 attempts remaining Part D Find the direction of the vector difference A-B Express your answer using three significant figures 1マ e counterciockwise from +z-axis Submit Previous Answers Request Answer Figure </ 1of1 ) X Incorrect; Try Again; 5 attempts remaining (15.0 m)...
Review A particle starts from ro 18 m at to-0 and moves with the velocity graph shown in (Figure 1). You may want to review (Pages 41-43) Figure 〈 1 of 1 (m/s) 12 4 t (s) -4 What is the object's position at t 2s? Express your answer to two significant figures and include the appropriate units. r212 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part C What is the object's position at t-4s?...