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a) If your de Broglie wavelength were 0.45 m, how fast would you be moving if your mass is 77.0 kg?
b) If you span 0.25 m from front to back, approximately how long would it take you to walk through the doorway?
An Emergency Vehicle Siren is designed to emit an 8000 Hz sound. You hear a 9143 Hz tone as it approaches you at 40.0m/s and a 7273 Hz tone as it recedes at 32 m/s. What is the temperature of the air
At Zion National Park a loud shout produces the echo 3.40 s later from a colourful sandstone cliff. How far away is the cliff.
Calculate The Velocity Of An Object
Discuss what is meant by line spectra and what information can be gathered from a line spectrum plot
In the railroad freight yard, empty freight cars of mass m rolls along a straight level track at 1.30 m/s and collide with an initially stationary, fully loaded boxcar of mass 3.74m. What is the speed of the two cars after the collision
a 5000kg rocket takes off from the surface of the earth with an initial speed of 20m/s. determine the acceleration of the rocket
A string of a violin is 32 cm long between fixed points with a fundamental frequency of 440 Hz and a mass per unit length of 7.2 x 10-4 kg/m. What are the wave speed and the tension in the string
A 300 kg piano slides 4.50 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.
scenario a man begins pushing a box from rest up a ramp angled at 22 degrees from horizontal exerting a constant force
How do paramagnetic materials differ from diamagnetic materials?
A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a string tightly wound around the inner core. what is the speed of the spool
Two vehicles are approaching an intersection. One is a 2300kg pickup traveling at 14.0m/s from east to west (the ?x- direction), What is the magnitude of the net momentum
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