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A guitar string is 90 cm long and has a mass of 3.8g . The distance from the bridge to the support post is L=62cm, and the string is under a tension of 540N.
What are the frequencies of the fundamental and first two overtones?
It then increases it's speed at the rate of 1.55 m/s2. Find out the magnitude of acceleration under these new conditions. Answer in units m/s2.
A race car has a mass of 703 kg. It starts from rest and travels 40.0 m in 3.0 s. The car is uniformly accelerated throughout the entire time. What net force is exerted on it.
A container of volume V is divided by partitions into three parts containing one kilomole of helium gas, Calculate the kilomole fraction and the partial pressure of each gas in the mixture
A daredevil is shot out of a cannon at 43 degrees to the horizontal with an initial seed of 25m/s. A net is positioned at a horizontal distance of of 50m from the cannon from which it is shot. At what height above cannon should the net be placed i..
Two particles are fixed to an x axis: particle 1 of charge q1 = 1.86 x 10-8 C at x = 27cm and particle 2 of charge q2 = -3.63q1 at x = 77.7cm. At what coordinate on the x axis is the electric field produced by particles equal to zero.
A wooden block (mass 0.1kg) is set on a rotating disk. What is the minimum coefficient of friction to ensure the block does not slide outward
An old-fashioned vinyl record rotates on a turntable at 49rpm . What are the angular speed in rad/s and the period of the motion
Find an angular velocity of the tire at the marker. Find also the linear speed of the point of contact of the tire with the pavement at the marker.
Calcualte the radiation dosage (in rads) for a 67-kg person that is exposed to 6.0 seconds to a 3.0 Ci source of beta radiation.
The conductive bar is moving with a constant speed v = 6.4 m/s, the magnetic field B = 0.75T, the length of bar inside of B field l = 50cm, How much is the power of the bulb
Vector A has a magnitude of 9.10 units and makes an angle of 54.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods find the following.
Two point charges of equal magnitude are 7.3cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 40N/C . Find the magnitude of the charges.
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