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1 points 0/1 Subnissions Used Which combination of units expresses density? O mass/(time) 2 O mass/m...
1. In this experiment, what units are used: o Length? o Mass? o Volume? Density?
-/1 points SerPSET9 16.P.025. My Notes 9. An Ethernet cable is 4.20 m long. The cable has a mass of 0.190 kg. A transverse pulse is produced by plucking one end of the taut cable. The pulse makes four trips down and back along the cable in 0.750 s. What is the tension in the cable? Need Help? Read It Watch It Show My Work (Optional) -12 points SerPSET9 16. P.029. 10. My Notes Tension is maintained in a string...
15, O -1 points Tiplere 1. F.070. If the average density of the universe is at least 6.0 x 10 27 kg/m3, then the universe will eventually stop expanding and begin contracting. (a) How many electrons are needed in each cubic meter to produce the critical density? (me 9.11 x 10 31 kg) electrons/m (b) How many protons per cubic meter would produce the critical density? (mp 1.67 x 10 27 kg) protons/m a Show My Work ptional) Submit Answer...
In MKS (SI units), mass is expressed in kilogram (Kg), length in meter (m) and time in second (s). What would be the units for the following? a. Speed = distance/time b. Momentum = mass * speed c. Kinetic energy = (1/2)*mass*speed2 d. Force = mass*acceleration e. Work = Force * distance
2. + -/1 points Calculate the period T of a planet whose orbit has a semimajor axis of 29 AU. Need Help? Read It Show My Work (Optional) 3. + -/1 points Calculate the length R of the semimajor axis of a planet whose period is 208 days. AU Need Help? Read It @ Show My Work (Optional)
Question 1: Work and Arc Length a=8 points, b=7 points a) A cylindrical water tank with height 7 m and diameter 6 m is full of water. Show that the amount of work required to pump the water to the level of the top of the tank and out is 2,160,900 joules. Recall that the density or mass of water is approximately 1,000 kg and use the gravity constant of 9.8 7 m 3 m 5 335 b) Show that...
8. + -/1 points SCalcET8 6.4.024. RMy Notes A tank is full of water. Find the work required to pump the water out of the spout. (Use 9.8 m/s2 for g. Use 1000 kg/m3 as the density of water. Assume r = 9 m and h = 3 m.) Need Help? Read It Talk to a Tutor Show My Work (Optional)
UNUNUIR Upon -[-14 Points] DETAILS Solve the trigonometric equation in the interval [0, 21). Give the exact value, if possible; otherwise, round you (4 cos(0) - 2)(8 sin(O) - 8) - 0 = Show My Work (Optional) 7. [-14 Points] DETAILS Solve the trigonometric equation in the interval [0, 21). Give the exact value, if possible; otherwise, round your sin(20) - cos(0) = 0 0 Points] DETAILS er the angles a and ß in the figures, find cos(a + b)....
-2 points SerCP11 5.1 A box with a mass of 36.0 kg is pushed with a horizontal force of 1 (a) What is the work done (in 3) by the 150 N force? My Notes Ask Your 50 N. The box moves at a constant speed across level, rough surface a distance of S.40 m (b) What is the coefficient of kinetic friction between the box and the surface? Need Help? Pad Show My Work o
13. (-/1 Points] DETAILS LARLINALG8 4.7.017. Find the transition matrix from B to B'. B = {(1, 0), (0, 1)), B' = {(2, 3), (1,5)} 11 Show My Work (optional) Submit Answer 14. (-/1 Points] DETAILS LARLINALG8 4.7.021. Find the transition matrix from B to B'. B = {(-1, 0, 0), (0, 1, 0), (0, 0, -1)}, B' = {(0, 0, 5), (1, 2, 0), (7,0,5)} 11 o Show My Work (Optional) Submit Answer