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1. A spring with negligible mass stretches 34.0 cm when a 144 g gram mass is suspended from it. Now I suspend a mass m from the spring. If it oscillates at an angular frequency of 4.51 rad/s, what is the mass?2. A 3.45 kg mass vertically compresses a spring 67.0 cm before it starts to rebound. How high will the Mass move above the uncompressed it the mass is left to "bounce" back up?3. A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t) where D and x are in meters and t is in seconds.a) Determine the wavelength of this wave.b) Determine the frequency of this wave.c) Determine the speed of this wave.d) Determine the amplitude of this wave.f) Determine maximum and minimum speeds of particles of the cord.4. A person is watching water waves at the ocean and they notice the peak to peak distance between the waves is 3.4 m. They also notice there are 55 waves every 10.0 seconds passing the end of a pier. How fast are the waves going?5. A whale sends an undersea signal to its mate and then gets a response 4.5 seconds later. How far away is the whale's mate?6. A person sees a distant lightning strike, then 4.5 seconds later he hears the thunder clap. If it is 35 degrees Celsius, how far away was the lightning strike?7. A single bass amplifier produces a volume of 102 dB. What is the sound level if a guitar amplifier what produces 98 dB is played at the same time?8. A string on a guitar vibrates at 420 Hz. If the tension on the string is 102 N, what is the mass of the string if the portion that vibrates is 63.7 cm long?
q1. imagine that temperature of atmosphere is constant and is approximately 5degc.define hh2o altitude where the
Two identical, small insulating balls are suspended by separate 0.31m threads that are attached to a commone point on the ceiling. estimate the Charge on each ball
A person can't see objects clearly that are closer than 80 cm. What is the refractive power of the contact lenses wouyld you prescribe
The filament of a light bulb has a temperature of 2.97 x 103 °C and radiates 60.0 W of power. Find the surface area of the filament
a revolving car wheel has a radius of 15m and a mass of 3 X 10^4 kg. what torque needs to be applied to stop the car wheel in 15 sec
An ambulance traveling at 46 m/s approaches a car heading in the same direction at a speed of 31 m/s. At what frequency does the driver of the car hear the siren
The technique known as potassium-argon dating is used to date old lava flows and thus any fossilized skeletons found in them, detrermine the age of a piece of solidified lava
An airplane needs to reach a velocity of 402km/h to take off. On a 2000 m runway, what is the minimum acceleration necessary for the plane to take flight.
On the Moon\'s surface, lunar astronauts placed a corner reflector, off which a laser beam is periodically reflected. What is the difference in travel time for light that travels only through space to the moon and back and light that travels through..
Your medieval history class is constructing a trebuchet, a catapult-like weapon for hurling stones at enemy castles, Find an expression for the angle that will maximize the range of a projectile launched with speed from height above level ground
Certain stars at the end of their lives are thought to collapse combining their protons and electrons together to form a neutron star. Such a star could be thought of as a giant atomic nucleus.
A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates a curve in the flat road. how fast can the truck be moving without the crate sliding
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