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A car turns in a circle in an empty parking lot. The speed that the car is moving is 15 meter per second. The tires and the concrete of the parking lot have a coefficient of static friction of 1.2. Find how many meters is the minimum radius of the circle that the car can turn in at this speed?
If a beam of gamma rays with an initial intensity of Io passes through an absorber in which the mean free path lambda = 2.6 mm
generator has a terminal voltage of 115 V when it delivers 18.0 A, alculate the emf (e m f) and the internal resistance (r) of the generator
What is the relationship among electric field and potential? Can one use energy conservation with electricity concepts? What is the dissimilarity between potential and potential difference?
A 10.0-g wad of sticky clay is hurled horizontally at a 110-g wooden block initially at rest on a horizontal surface. what was the speed of the clay immediately before impact
Carbon disulfide (n=1.63) is poured into a container made of fused quartz (n=1.46). What is the critical angle for internal reflection of a ray in the liquid
An object with a mass of m = 5.3 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.255 m and mass of M = 3.00 kg, Determine the speed with which the object hits the floor
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Estimate the density of the nucleus of an atom
A bullet mass 7.1 grams is fired from a gun with a muzzle velocity of 1,078 mph. It embeds itself 77.3 cm in a wood post. What was the average force on the bullet in slowing it to a stop?
A jogger travels a route that has two parts. The first is a displacement of 2.00 km due south, and the second involves a displacement that points due east.
A diffraction grating is made up of slits of width = 300 nm with separation = 1150 nm. The grating is illuminated by monchromatic plane waves of wavelength ? = 560 nm at normal incidence. How many maxima are there in the full diffraction pattern? Wha..
what is the entropy change during the free expansion of 1.70 moles of an ideal gas from an intial volume of 1.60 liters into an evacuated volume of 1.90 additional liters
Find the gravitational attraction between two solid lead spheres of 1 kg mass each if the spheres are almost in contact
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