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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.
A 120 V (rms) AC power supply that delivers 0.5 A (rms) current is connected to "side 1" of a transformer. what is the peak voltage drop across the first resistor
Changes in wind and tide made average speed on return trip 3 mph slower than the speed on the way out. If the total time of the trip took 9 hours find speed of both the going and the return trip.
Find out the average magnitude of the induced emf if the change in shape occurs in 4.24 {rm s} and the local 0.120-{rm T} magnetic field is perpendicular to the plane of the loop.
The diffraction pattern produced by the aperture is observed on a screen at a distance of 4 m from the aperture. The power density at the centre of diffraction pattern is measured to be 7 W/m2.
A mass of 8 kg is resting on a horizontal table with a coefficient of kinetic friction of 0.35. Calculate the linear acceleration of the system
Two loudspeakers are placed 3-m apart. They emit 498 Hz sounds, in phase. A microphone is placed 3.2m distant from a point midway between the two speakers, where an intensity highest is recorded.
You win a lottery prize consisting of all the gold you can put into a backpack with dimensions 68 cm x 29 cm x 15 cm
Assume the distance between the protons in the H2 molecule is 7.50 multiply.gif 10-11 m. Find the energy of the second rotational state, with J = 2
The average density of the planet Pluto is 2357 kg/m3. The acceleration of gravity on its surface is 0.76 m/s2. Calculate the average radius of Pluto
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. calculate the heat lost by each body from the vaporization of sweat
A cardinal (Richmondena cardinalis) of mass 4.30×10-2 and a baseball of mass 0.14 have the equal kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of baseball's momentum.
A 184.0 g piece of lead is heated to 80.0oC and then dropped into a calorimeter containing 681.0 g of water that initally is at 18.0oC
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