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a standing wave has a wavenumber 2.26*10^2 rad/min. What is the distance between the adjacent nodes?
If a person radiates about 65.00 W of power at room temperature, how long does it take for a person to radiate away the energy acquired by consuming a 230 Calorie donut.
The aurora is caused when electrons and protons, moving in earth's magnetic field of 5x10^-5 T, collide with molecules of the atmosphere and cause them to glow. What is the radius of the circular orbit for (a) an electron with speed 1.0×10^6 and (b) ..
The student realizes that the spring demonstrates SHM with the attached mass of 255.0 g. The student is next asked to calculate the period of oscillation, T
In living tissue, about one out of every 10-12 carbon atoms are the 14C isotope. how long ago did the owner of the bone die
1)A crate of potatoes of mass 19.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.82 and μk = 0.29. Find the frictional force (magnitude and direction) on the crate if the crate is sliding d..
q1. a juggler performs in a room whose ceiling is a height 3.0 m above the level of his hands. he throws a ball upward
A pot containing 1.06 liter of water, initially at 22°C, is placed on a 1091 W electric heating element. How much heat is necessary to boil all the water away
Cheetahs, fastest of the great cats, can reach 45 in 2 starting from rest. Assume that they have constant acceleration throughout that time, find their acceleration (in (a) and (b) ) and the distance (in (c) and (d) ) Q2. They travel during that t..
What is the net upward force on an airplane wing of area 26.0 m2 if the speed of air flow is 246 m/s across the top of the wing and 222 m/s across the bottom
69 J of work are needed to stretch a spring from 1.4 m to 2.9 m from equilibrium. What is the value of the spring constant
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 80.5 kg and a radius R = 0.625..
The given information is that a basketball is shot from an initial height of 2.40 m with an initial speed 14m/s directed at an angle 37 degrees above the horizontal
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