Problem 4: Arunner runs around a circular track. He completes one lap at a time of t= 386 s at a constant speed of v = 4.7 m/s.Randomized Variablest = 386 sv = 4.7 m/sWhat is the radius, r in meters, of the track?a()7 8 9E A 4 52 3sin()cos()tan()HOMEcotan()asin()acos()6atan()acotan()sinh()1cosh()tanh()cotanh()ENDO Degrees O RadiansVOl BACKSPACEDELCLEARSubmitI give up!HintFeedbackWhat was the runners centripetal acceleration, a, in m/s, during the run?

Answered: Problem 4: Arunner runs around a…

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter7: Quantum Mechanics

Section: Chapter Questions

Problem 42P: Show that when 1(x,t) and 2(x,t) are solutions to the time-dependent Schrödinger equation and A, B...

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An airline passenger drops a coin while the plane is moving horizontally at 260 m/s. Randomized Variables v = 260 m/sh = 1.6 m How far does the coin travel horizontally in meters with respect to the Earth if it falls 1.6 m?
Line XY was measured by four parties A, B, C, D. Each party has two measurements as follows: Trial A B C D 1 91.25 91.21 91.20 91.18 2 91.19 91.27 91.22 91.26 a. Find the precision of each party and which has the highest precision. b. What is the most probable length of XY?
If the mass particle is of 2 kg (constant without uncertainty): report the change of kinetic energy, ΔK= ½ m (??)^2 - ½ m (??)^2, calculating from the measurements
Answer: Uncertainty of Speed = 0.3301 m/s A traffic patrol officer uses a UAV with a camera to measure the transit time of vehicles between two-mile markers to measure the speed of vehicles on a major highway. A certain vehicle passes through the two-mile markers with an average speed of 77 miles per hour, and the distance between the markers is 5280 ft ± (50 ft). If the officer uses a stopwatch to measure the transit time, and his reaction time uncertainty to any single event is 0.05 sec, what is the uncertainty in the aircraft-based speed measurement? calculation work shown either by hand or mathcad
surface, denoted by “g”. In this imaginary experiment, you have measured g three times. The values you obtain are: g1 = 10.2 meters per second squared (m/s2) g2 = 10.4 m/s2 g3 = 10.0 m/s2 To find the Average Value of g, denoted by gav, simple add up the experimental values and divide by the number of experimental values you have: g1 + g2 + g3 10.2 + 10.4 + 10 gav = __________ = ____________ = 10.2 m/s2 . 3 3 Percent Error (PE) To find the Percent Error (PE), you compare the average experimental value to the standard or handbook value of the physical quantity you are measuring. The Standard Value of gravitational acceleration at Earth’s surface , gst, is 9.8 m/s2. Mathematically, PE is defined as: (Average - Standard)…
Consider a box of mass 8.5 kg begin accelerated along the floor at 3.1 m/s^2. Randomized Variables M=8.5 kg Ax=3.1 m/s^2 If this block is being accelerated from rest for a time period of 12s, what is the net work, in joules, being done on it?
Show that when 1(x,t) and 2(x,t) are solutions to the time-dependent Schrödinger equation and A, B are numbers then a function (x,t) that is a superposition of these functions is also a solution: (x,t)=A1(x,t)+B1(x,t).
A digital timer, used in an experiment, displays 0.5378 s. What is the uncertainty, due to the precision of the timer, that should be recorded along with the measurement?
Show that Ψ(x,t)=Ae^i(kx−ωt) is a valid solution to Schrӧdinger’s time-dependent equation.
A car accelerates uniformly from rest and travels a distance of (100 ± 1) m. If the acceleration of the car is (6.5 ± 0.5) m/s^2, what would be its final velocity, together with its associated uncertainty, at the end of the distance covered?
You observe a ball that moves (33.6 ± 0.2) cm in (11.49 ± 0.02) s. What is the observed speed of the ball (best estimate and most probable uncertainty)? (speed = distance / time) Group of answer choices (2.92 ± 0.01) cm/s (1.62 ± 0.01) cm/s (2.92 ± 0.02) cm/s (1.619 ± 0.008) cm/s (1.739 ± 0.005) cm/s
Check if the equation is correct: S=ut+1at^2

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