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Cloverleaf exits are approximately circular. A 552 kg automobile is traveling 70 mph while taking a cloverleaf exit that has a radius of 39.3 m. Calculate the centripetal acceleration of the car and the centripetal force on the car. Remember that 1 mph = 0.447 m/s.
Centripetal acceleration =
Centripetal force =
A mass m equals 4 kg on a slanted surface theta equals 30 degrees. A light rigid cord runs from mass m to pully beta equals 1/2, calculate the magnitude of the systems acceleration
A 4.5 kg fish swimming 2 m/s swallows an absent minded 1 kg fish swimming toward it at a velocity that brings both fish to a halt at once after lunch. What is the velocity v of the smaller fish before lunch.
A hot piece of copper (cc = 386J/kg·K) of mass mc = 3kg and unknown initial temperature Tc is dropped into a container of water (cw = 4186 J/kg · K) of mass mw = 1 kg, What is the initial temperature Tc of the copper
Two waves are traveling in the same direction along a stretched string. The waves are 45.0° out of phase. Find the amplitude of the resultant wave
A flashlight beam strikes the surface of a pane of glass (n = 1.58) at a 56 %u2218 angle to the normal. What is the angle of refraction
What is the smallest number of whole logs (? = 725 kg/m3, radius = 0.0917 m, length = 3.10 m) that can be used to build a raft that will carry four people
Starting from rest, a 12-cm-diameter compact disk takes 2.5s to reach its operating angular velocity of 1500rpm. How much torque is applied to the disk
A passenger train is travelling at 32 m/s when the engineer sees a freight train 384 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.7 m/s.
q1. a disk with radius 0.5 m is oriented with its normal unit vector n at an angle of 30deg to a uniform electric field
When people sleep, their metabolic rate is about 2.6 x10-4 C/(s.kg). How numerous Calories does a 69 kg person metabolize while sleeping 9 hours.
Two large, parallel, conducting plates are 17 cm apart and have charges of equal magnitude and opposite sign on their facing surfaces, Find the electric field at the position of the electron
A bird stands on an electric transmission line carrying 1200 A. of current. The line has 6.0E-05 ohm resistance per meter, What voltage does the bird feel
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