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1. A traveling wave has displacement given by y(x, t) = (2.0cm) X cos(2Πx 4Πt, where x is measured in cm and t in s.
a. Draw a snapshot graph of this wave at t = 0 s.
b. On the same set of axes, use a dotted line to show the snapshot graph of the wave at t = 1/8 s.
C. What is the speed of the wave?
2. Figure 15.17 is a snapshot graph of a wave at t = 0 s. What are the amplitude, wavelength, and frequency of this wave? 3. Figure 15.18 is a history graph at x = 0 m of a wave moving to the right at 2 m/s. What are the amplitude, frequency, and wavelength of this wave?
If a disk rotating at 10 rad/s has a moment of inertia of 0.5 kg m^2. Then another disk with a total mass of 5 kg, What is the angular speed of the new system in units of rad/s
In the troposphere, the part of the atmosphere that extends from the surface to an altitude of about 11 km, calculate the pressure p at height y=8863m
At time a grinding wheel has an angular velocity of 22.0. It has a constant angular acceleration of 33.0 until a circuit breaker trips at time = 2.20. From then on, the wheel turns through an angle of 431 as it coasts to a stop at constant angular de..
After a day of testing race cars, you decide to take your own 1410 kg car onto the test track. While moving down the track at 10m/s, you uniformly accelerate to 31m/s in 10 s. What is the average net force that you have applied to the car througho..
An airplane has an effective wing surface area of 15 m2 that is generating the lift force. What is the weight of the plane
A gas mixture contains 2.50 mol of O2 and 3.00 mol of Ar. What is the molar specific heat at constant pressure for this mixture
Velma passes Mort at a speed of 0.75c. At this speed, the "time dilation factor" is 1.5. In other words, Mort observes a 1-second tick of Velma's clock to take 1.5seconds. assume that they are born at the same time, and that Mort observes himself ..
A sphere of mass M is supported by a string that passes over a pulley at the end of a horizontal rod of length L, Find the mass of the portion of the string above the rod
A ski jumper has 1.2 ´ 10 J of potential energy at the top of the ski jump. The friction on the jump slope is small, but not negligible. What can you end about the ski jumper's kinetic energy at the bottom of the jump.
A proton accelerates from rest through 1500 volts. the proton then enters a region of space where the magnetic field is 0.3 tesla (and this field is perpendicular to the velocity). calculate the radius of the resulting circular motion?
How long does it take the projectile to reach the top of its trajectory? Explain how high does the projectile go before it begins to fall?
250 kg ball is dropped to the floor from a height of 1.0 m and upon rebounding, reaches a height of .60 m. What is the impulse delivered to the ball by the floor?
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