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A 1.5-kg mass attached to spring with a force constant of 20.N/m oscillates on a horizontal, frictionless track. At t=0, the mass is released from rest at x=10.0 cm (That is, the spring is stretched by 10.00cm)Determine Frequency of oscillations, Maximum speed of a mass, and maximum acceleration
To help prevent frost damage, 4.20 kg of 0°C water is sprayed onto a fruit tree. How much heat will be released by the water as it freezes
In a liquid with a density of 1450kg/m3 , longitudinal waves with a frequency of 390Hz are found to have a wavelength of 7.50m
estimate the % difference, which the use of isothermal compressibility instead of the adiabatic compressibility, would make to the calculated value of the speed of sound (340m/s)
q1. a cd has a playing time of 53.1 minutes. while the music starts the cd is rotating at an angular speed of 498
(from Roger Ordidge, with alterations) The magnetic field can store energy, but it can do 110 work. Therefore, another agency must be responsible for doing the work that puts the energy into the magnetic field.
A burglar alarm in a house emits sound at a fixed frequency of 3.1 kHz. On a windy day a person cycles past the house while the alarm is sounding. What frequency does the cyclist hear
An infinitely long charged wire produces an electric field of magnitude 1.17 103 N/C at a distance of 46.4 cm perpendicular to the wire. The direction of the electric field is toward the wire. (a) What is the charge distribution? (b) How many electro..
A man pushes a 50N box across a level floor at a constant speed of 2.0 m/s for 10 s. Find the average power output by the man
A 15.0kg block is attached to a very light horizontal spring of force constant 550N/m, Find the maximum distance that the block will compress the spring after the collision
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. The rocket is fired toward an 6.95-m high wall, which is located 18.0 m away.
A hollow, conducting spherical shell, of radius 3.50 cm, has charge ?9.14×10?5 C. What is the strength of the electric field 2.50 m from the center of the sphere, What is the direction of the field
A woman slowly lifts a box weighing 48.0 N from the floor to a shelf 1.50 m above, Find the net work done on the box
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