20.1 What now, where next? ¡CMA 53 Question 10 Tries remaining: 3 P Flag question Marked...
Question 19 Tries remaining: 4 Points out of 1.00 P Flag question The position of a 0.30-kg object attached to a spring is described by x(0.21 m) cos[(0.7n rad/s) q. (Assume tis in seconds.) X= (a) Find the amplitude of the motion. Answer: Check Question 20 Tries remaining: 4 Points out of 1.00 P Flag question (b) Find the spring constant. Answer: Check Question 21 Tries remaining 4 Points out of 1.00 P Flag question (c) Find the position of...
Week 13: Practice quiz iCMA 52 Question 14 Tries remaining: 3 P Flag question Marked out of 1.00 Calculate the energy required to heat 7 kg of tin from a room temperature of 19 °C to its melting temperature and then to melt it completely Give your answer in kJ to 3 significant figures. Melting temperature of tin, T= 231 °c Specific heat capacity of tin, c 0.21 kJ kg1 oC Specific latent heat of fusion of tin, L 59...
Question 5 Tries remaining: 3 Points out of 1.00 P Flag question To measure their mass while staying in zero-g environments, astronauts use a body-mass measuring device (BMMD). This consist of them grabbing a big spring, and oscillating on it in simple harmonic motion, and measuring the period. The spring constant of the BMMD is 3100 N/m. A) If the astronaut has a period of 1.07 s, what is their mass? Answer: Check Question 6 Points out of 1.00 Tries...
Its applications iCMA 54 ifferentiation, the chain rule, first nd second derivatives Question 8 Tries remaining: 3 Marked out of 1.00 P Flag question In an electrical circuit, the voltage v in volts at time t seconds is given by the formula v(t) = 6t sin (4t) Find the rate of change of voltage at time 3.5 s. Give your answer in V s' to 3 significant figures Rate of change at 3.5 s: Check < Previous page Next page...
Question 1 Not yet answered Marked out of 1.00 p Flag question Which of the following is result of decisions based on inaccurate information? Select one: a. Delivering products to customers on time O b. Meeting customers' demands O c. All the answers d. Misallocation of resources Question 2 Not yet answered Marked out of 1.00 p Flag qu In digital firms, Core business processes are accomplished digitally Select one: a. True о b. FALSE Previous page f Question 7...
part 1 part 3 part 4 Tries remaining Points out of 1.00 P Flag question The molar solubility of mercury (1) sulfate (Hg2SO4) is 5.7 x 10-3 M. Determine the Ksp This question allows multiple attempts, however, 1/5 (20%) point will be deducted if an incorrect submission is submitted. Answer: Check Question 2 Tres remaining Points out of 100 pFing question The Ksp for the salt calcium hydroxide (Ca(OH)2) is 1.3 x 10-6. Determine its molar solubility This question allows...
Question 12 Tries remaining: 4 Points out of 1.00 p Flag question In Edgar Allen Poe's short story "The Pit and the Pendulum" includes a scene where a bladed pendulum swings over a person, slowly getting closer. A) If the pendulum has a period of 5.73 s ("Its sweep was brief, and of course slow."), how long is the pendulum? Answer: Check Question 13 Tries remaining: 4 Points out of 1.00 Flag question B) The story also claims that the...
Question 1 Tries remaining: 2 Points out of 1.00 P Flag question What is the percent ionization of a 0.00478 M solution of HF? The Kais 6.4x10-4. Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response. Answer: Check
Question 3 Tries remaining: 2 Points out of 1.00 P Flag question Predict which of the following oxyacids is the strongest acid. Multiple tries are permitted; however, 33% (1/3) point will be deducted for each incorrect response. Select one HNO2 H2NO2 Ο ΗΝO H2N202 Check
Check Question 8 Tries remaining: 2 Points out of 1.00 P Flag question What is the poH of a 0.01305 M solution of LiHS? The Ka of H2S is 8.9x10-8. Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response. Answer: Check 59% A RAPJA ві в е год. е