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- select the statements which is true for momentum. choose all that apply. A. Momentum is the product of mass and velocity. That means object with huge mass is at rest has no momentum at all. B. Momentum is only conserved in collisions C. Momentum is a vector quanity. D. Momentum is always conserved.A. 10x 10" B. 1.4x10" C. 2.7×10J D. 6.8x10"J 8. How much kinetic energy does an electron (m = 9.1x10 kg) have if it is traveling at one-half the speed of light?5. Does a mass transfer process have to involve heat transfer? Describe a process that involves both heat and mass transfer. 6. The following formula gives the equilibrium temperature for a planet (in Kelvin) based on
- A plane begins traveling at a(v) = ao – bv from a stationary position Part 1) determine the plane's v(t). Show in terms of ao and b. Part 2) determine the plane's distance traveled s(t). Show in terms of ao and b. Part 3) determine the plane's a(t). Show in terms of ao and b. Part 4) determine t = T* and s = S* when v reaches a determined takeoff value V*. Show T* and S* in terms of ao, bv and V*Part I. We will leam in this class that the distance from the Earth to the Sun is approximately 1AU = 150,000,000 kilometers. a. Convert this number to meters (1 kilometer = 10° meters) and express it using scientific notation: 150000000000 meters How else might you express this number? (Millions, billions, etc. ?) b. A car on the highway drives at 55 mph = 25 meters per second. How long would it take to drive to the Sun? (Assuming you have a car that works in outer space.) Use the equation distance = velocity x time, or time = distance / velocity. Time = distance/velocity = , seconds (don't forget to use scientific notation.) How many days?. _days How many years?. years Does the answer surprise you?Post-Lab Homework Problems. 1. A student is using a track photogate to determine the time it takes her to run 50 meters. She records the following times: Trial Time (seconds) 1 5.420 5.464 3 5.728 4 5.496 5 5.644 6. 5.794 7 5.540 The data she collects has a mean of 5.583714 seconds, with an absolute uncertainty computed to be 0.141074 seconds. Report her 50-meter time as a confidence interval (a) using the mean and the absolute uncertainty given above. Another student measures his 200-meter run time (b) to be 20.7 + 0.3 seconds. Report the relative uncertainty of each student and identify which has the more precise run time.
- 9, Which of the following achievements was been attributed to Isaac Newton: a. Laws of Motion. b. General Relativity. c. Quantum Mechanics. d. Geocentric Model for the Solar System.Plz only solve part d and h... plz solve it correctlyQUESTION 16 How many seconds are in one year? Assume that one year equals 365 days. a. 86,400 O b.1,500,000 C. 24,360,000 d. 12,536,000 O e. 31,536,000