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An acoustic signal is composed of the first three harmonics of awave of fundamental frequency 370 Hz. If these harmonics aredescribed, in order, by cosine waves with amplitudes of 0.16, 0.12,and 0.65, what is the total amplitude of the signal at time 0.616seconds? Assume the waves have phase angles ϑn = 0.
Water (? = 1.00E-3 Pa*s) is flowing through a horizontal pipe with a volume flow rate of 0.0129 m3/s. Calculate the radius of the horizontal pipe
What is magnitude of the linear acceleration of the hoop . Elucidate using Newton's Second Law of Motion, why you can throw a golf ball further than a bowling ball, still though you throw both at the similar angle and with the same amount of force.
A positron (q = +e) movesat 5.4 107 m/s in a magneticfield of magnitude 0.51 T.The magnetic force on the positron has magnitude 1.5 10-12 N.
A 54 kg person is parachuting and experiencing a downward acceleration of 2.0 m/s2. The mass of the parachute is 7.6 kg. (a) What is the upward force on the open parachute from the air? (b) What is the magnitude of the downward force on the parachute..
two stationary positive point charges charge 1 of magnitude 3.60 nc and charge 2 of magnitude 1.60 nc are separated by
Helium forms a solid at low temperatures and high pressures. To maintain the order present in a solid, each atom must remain at its assigned position, Find the uncertainty in momentum of the helium atom
A bug is hovering in the air (v=0) when a heavy automobile, moving at 20 m/s, suddenly collides with it. what is the bug's speed after the collision
A person of mass M lies on the floor doing leg raises. His leg is 0.85m long and pivots at the hip, How far does the entire body's center of mass rise
A thermos contains 154 cm3 of coffee at 93.5 °C. Tocool the coffee, you drop two 12.7-g ice cubes into the thermos.The ice cubes are initially at 0 °C and melt completely. What is the final temperature of the coffee in degrees Celsius? Treatthe coffe..
a railroad train travels forward along a straight track at 70.00 ms for 2100m and then travels at 60.00 ms for the
find the transformation matrix r that describes a rotation of 90 degrees about an axis from the origin through the
The two stick together and move off with a speed of 4.0 m/s. Evaluate what is the mass of the second car?
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