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Q1. How many revolutions per minute would a 29 {rm m}-diameter Ferris wheel require to make for the passengers to feel "weightless" at topmost point?
Q2. A marching band consists of rows of musicians walking in straight, even lines. while a marching band performs in an event, such as a parade, and must round a curve in the road, the musician on the outside of the curve must walk around the curve in the same amount of time as the musician on the inside of the curve. This motion can be approximated by a disk rotating at a constant rate about an axis perpendicular to its plane. In this case, the axis of rotation is at the inside of the curve.
A ball leaves a table with an initial horizontal velocity of 2.4 m/s. The height of the table is adjustable. What is the horizontal distance between the two landing locations of the ball
Consider a 1-D NaBr lattice. The frequency at the optical mode at k=pi/a is f=10.1THz. find the frequency for the optical mode at band center (k=0)
A coil of inductance 110 mH and unknown resistance and a 1.4 ?F capacitor are connected in series with an alternating emf of frequency 980 Hz. what is the resistance of the coil
A cylindrical capacitor consists of a cylinder (of length L and radius a) with a total charge Q nested inside a thin conducting cylindrical shell (of length L and radius b) with total charge -Q
A 4.0cm tall apple is 20cm in frount of a plano-convex lens of focal length 75cm. Find the location of the image of the apple
A hotel elevator ascends 240 m with a maximum speed of 5.8 m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2.
Three point charges have equal magnitudes, two being positive and one negative. Calculate the magnitude of the net force
A uniform density cube of mass m, side 2b, and center at C is placed on a fixed horizontal cylinder of radius r and center O in Earth's gravitational field.
Consider a makeup mirror that produces a magnification of 1.7 when a person's face is 12.5 cm away. What is the focal length of the makeup mirror in m
An adventurous archaeologist crosses between two rock cliffs. If the angle between the rope and the horizontal is = 11.8, find out the tension in the rope.
In an American football game, a 90.6 kg fullback running east with a speed of 5.00 m/s is tackled by a 94.3 kg opponent running north with a speed of 3.03 m/s. Determine the mechanical energy lost as a result of the collision
A particle has a de Broglie wavelength of 3.20 × 10-10 m. Then its kinetic energy doubles. What is the particle's new de Broglie wavelength
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