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The picture above shows two pucks about to collide and one of them after the collision, what is the velocity (Magnitude and Direction).
State and explain the postulates of the special theory of relativity.
A source of sound waves of frequency 1.0 kHz is stationary. An observer is traveling at 0.50 times the speed of sound. What is the observed frequency
An object on an incline of 30 degrees is towed up the incline by an applied force of 100N. The coefficient of kinetic friction of mu=.35.
Ultrasound reflected from an oncoming bloodstream that is moving at a 30 cm/s is mixed with the original frequency of 2.5 MHz to produce beats.
A 5.00-kg block free to move on a horizontal, frictionless surface is attached to one end of a light horizontal spring.
Two automobiles are equipped with the same single frequency horn. When one is at rest and the other is moving toward an observer at 15.9m/s
Find the frequency of Sue's scream in the cave and calculate distance to the pool
A truck is moving at 50 m/sec while its horn emits a steady note at 280 cy/sec.
A sample of 8.02 x 10^-1 moles of nitrogen gas (gamma=1.40) occupies a volume of 2.00 x 10^-2 m^3 at a pressure of 1.00 x 10^5 Pa and temperature 300K.
In this problem, we will look at one of these in-between cases after first working through some basic calculations related to elastic and perfectly inelastic co
Supersonic jet traveling at Mach 3 at an altitude of 20000m is directly overhead at time t=0.
Place a kilogram block of iron at 40 degrees C into a kilogram of water at 20 degrees C. What will the final temperature of the two become, and why?
A student in a parked car honks the horn, which has a `proper' frequency of 300 Hz. An observer in an approaching vehicle measures the frequency
At the bottom of the track the block slides freely along a horizontal table until it hits a spring attached to a heavy, immovable wall.
If you stand on a bathroom scale, the spring inside the scale compresses 0.50 mm, and it tells you your weight is 665 N.
In order to cause the loudness of a sound to appear half its original value it must be: (a)increased by 50 dB (b) decreased by 50 dB (c) decreased by 10 dB
What minimum value of the coefficient of static friction, µs, will assure that the spring remain compressed at the maximum compressed position?
A speaker fixed to a moving platform moves to a wall, emitting a steady sound with a frequency of 250Hz. A person on the platform, right next to the speaker
Suppose the roller coaster in Fig. (h1 = 32 m, h2 = 13 m, h3 = 20) passes point A with a speed of 3.00 m/s.
Sound waves travel through an aluminum bar at a speed of 1400 m/s.
Assuming negligible friction, what spring constant would be needed by the spring in a "b-b gun" to fire a 10g pellet to a height of 100m.
A bystander hears a siren vary in frequency from 476 Hz to 404 Hz as a fire truck approaches, passes by, and moves away on a straight street
In your own words, explain the meaning of the following terms:
Two baseballs, each with a mass of 0.122 kg, are separated by a distance of 950 m in outer space.