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Q1. A woman rides a carnival Ferris wheel at radius 13 m, completing 4.0 turns about its horizontal axis every minute. What are the (a) period of motion, and magnitude of her centripetal acceleration at (b) highest point and (c) lowest point?
Q2. A plane is headed east with an air speed of 205.0 m/s. The wind blows southeast at 32.0 m/s. Determine the velocity of the plane relative to the earth.
Although physics problems often assume that inductors have zero resistance, actual inductors can, in fact, have appreciable resistance. What is the inductance of the inductor
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 81.0 m/s at ground level. What is its maximum altitude
A 2.10 kg mass attached to a spring oscillates with a period of 0.375 s and an amplitude of 20.5 cm. Find the total mechanical energy of the system
What is speed of the second train, which travels faster
A hotel elevator ascends 273 m with a maximum speed of 3.78 m/s. Its acceleration and deceleration both have a magnitude of 0.91 m/s2. How long does it take to make the complete trip from bottom to top?
Find the magnitude of book's velocity, just before the book reaches the floor. Find the direction of book's velocity, just before the book reaches the floor.
A 4.1 g coin sliding to the right at 26.2 cm/s makes an elastic head-on collision with a 12.3 g coin that is initially at rest. Find the final velocity of the other coin
A 1.50 cm diameter parallel-plate capacitor with a spacing of 0.900 mm is charged to 300 V. What is the total energy stored in the electric field
A uniform disk of mass 4m is rotating an a plane parallel to the ground with angular frequency of 12 rad/sec. What fraction of kinetic energy was lost
A fighter jet is launched from an aircraft carrier with the aid of its own engines & a steam-powered catapult. The thrust of its engines is 2.3 x 105 N. In being launched from rest it moves through a distance of 87 m & has a kinetic energy of 4.5 ..
An uncharged capacitor and a resistor are connected in series to a source of EMF. If ? = 4.38 V, C = 20.1 ?F, and R = 111 ?, Calculate the maximum charge on the capacitor
A storage tank 23 m high is filled with pure water. (Assume the tank is open and exposed to the atmosphere at the top.), Find the gauge pressure at the bottom of the tank
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