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Cloverleaf exits are approximately circular. A 1597 kg automobile is traveling 56 mph while taking a cloverleaf exit that has aradius of 40.5 m. Calculate the centripetal acceleration of the car and the centripetal force onthe car. Remember that 1 mph = 0.447 m/s.Centripetal acceleration = 1___________ m/s2Centripetal force = 2____________ N
Two particles having equal signed charges of 12nc are placedat two of the vertices of an equilateral triangle, What is the magnitude of the electrical field at the third vertex of the triangle
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward, What is the total time the blue car is moving, What is the acceleration of the yellow car
one end of a meter stick is pinned to a table so the stick can rotate freely in a plane parallel to the tabletop. two
A copper wire of radius a = 0.235 mm has an aluminum jacket of outer radius b = 0.302 mm. There is a current i = 1.56 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 x 10-8?·m and 2.75 x 10-8?·m. Calculate the current..
Hoover Dam was built in the 1930s to provide electricity for the southwest U.S. and to prevent the wild Colorado River from flooding. how does pressure vary with depth along the wall of the dam
Consider a Hydrogen atom with the electron in the n = 8 shell. What is the energy of this system, How many electrons would fit in this main shell
A pinhole camera takes a picture of a building 200 m tall. how far is the camera from the building
q. a 2.1-kg block is released from rest and allowed to slide down a frictionless surface and into a spring. the far end
A cylindrical conductor has resistance of R0 = 200 ? (ohms). what's the value of the new resistance in ohms
A generating station is producing 1.90 106 W of power that is to be sent to a small town located 5.0 km away. Find the power used to heat the wires if the power is transmitted at 1050 V
a ring is fitted loosely with no friction around a long smooth rod of length l 0.501 m. the rod is fixed at one end
What are (a) the energy, (b) the momentum, and (c) the wavelength of the photon that is emitted when a hydrogen atom undergoes a transition from the state n = 3 to n = 1?
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