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A .65 m long pendelum is pulled back to an angle of 45 degreeswith the vertical and released from rest. On the opposite side ofits frist swing, it rises to a maximum angle of 30 degress with thevertical. The mass of the pendulum is 250 g. Calculate the energy lost in this first swing.
A source traveling to the right at a speed of 11.30 m/s emits a sound wave at a frequency of 104.0 Hz. The sound wave bounces off of a reflector, which is traveling to the left at a speed of 4.95 m/s. What is the frequency of the reflected sound w..
In changing the state of a gas adiabatically from an equilibrium state A to another equilibrium state B, how much is the net work done by the system in the latter case
questionnano materials1a. outline the quantum confinement effects in quantum wellsb. outline the density of states for
A 1000kg car accelerates from rest to 60mph (134m/s) in 10s. During this time, its engine was operating at 3600rpm. Use the work-energy theorem to find the net work done by the car
A father pulls his young daughter on a sled with a constant velocity on a level surface a distance of 10 m. how much work does the father do
A transverse harmonic wave travels on a rope
Near Earth, the density of protons in the solar wind (a stream ofparticles from the Sun) is 8.80cm-3 and their speed is about 470 km/s. Find the current density of these protons
consider a system of particles in three dimensions with momentum p and energy E=cIpI,c being the constant.the system is maintained at the inverse temperature 'bita' , volume 'V' and chemical potential 'mu'.
Positive charges with magnitudes 3.50 mC and 6.75mC are located at the origin and at the point (10,0) metters on the x axis, respectively. What are the strength and direction of the field they generate at the point (0,10) on the y axis?
A projectile of mass 0.950 kg is shot straight up with an initial speed of 24.0 m/s, If the projectile rises to a maximum height of only 19.7 m, determine the magnitude of the average force due to air resistance
A 500 kg vehicle is cruising down the highway at 30 m/s when the driver creates an average force of 700 N by stepping on the gas. How much work was done by the vehicle during the .50km of acceleration
a child on a swing set swing back and forth if the length of the supporting cables for the swing is 2.1 m long, what's acceleration does to gravity or oscillation
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