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A dog and her handler are at rest and are facing each other at a distance 40.0meters. On command, they run towards each other: the handler runs at constant speed Vp=2.5m/s, while the dog first runs with constant acceleration Ad = 2.0m/s^2 until she reaches her maximum speed Vd = 4.5 m/s
Find the (common) position where the dog and the handler meet?
Light strikes a metal surface, causing photoelectric emission. The stopping potential for the ejected electrons is 3.4 V, What is the wavelength of the incident light
A large spool in an electrician's workshop has 80 m of insulation-coated wire coiled around it. What is the length of wire remaining on the spool
An electron moves with speed 700 m/s. Entered uniform E and B field on straight path. E points down and into page. E B and v are perpendicular
then collides with a spring whose spring constant is 250 N/m. angle is 30 degrees. Illustrate what is the maximum compression of the spring?
For the polarizers in the figure, suppose the incident light is linearly polarized, What is the angle (in degrees) the initial direction of polarization makes with the first polarizer
A 12-V battery causes a current of 0.85A through a resistor. How many joules of energy does the battery lose in a minute
A heat engine has an efficiency of 61.5% and it exhausts 7500 J of waste heat into the environment. How much work is performed by the previous heat engine
Oil with index of refracton n=1.25 floats on water with index n=1.33. For normal incidence, what maximum film thickness will reflect red light of wavelength 650nm most strongly
An athlete training for an event does 6.53 104 J of work during a workout and gives off 6.17 105 J of heat, Determine the magnitude of the change in internal energy of the athlete
A 2560 - ? resistor and a 1.9 - ?F capacitor are connected in series across a generator (60.0 Hz, 120 V). Determine the power delivered to the circuit
A group of students determined that the following points were upon the best fit line for a graph of W2 vs. Determine the total mass of the system
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.95 mm. If a 21.7-V potential difference is applied to these plates, calculate the following. (a) the electric field between the pl..
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