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If the string were only 1/2 as dense as you found it to be how would the tension have to change in each case to produce the same number of segments (same wavelength)?
When the speed of the turntable is slowly increased, the object remains fixed on the turntable until a rate of 40 rpm is reached, at which point the object slides off. What is the coefficient of sta
What is a Lissajous figure? Be sure to (a) discuss how one is made, and (b) sketch an example of one.
There is an induced emf in the circuit causing the bulb to glow. How much power is being consumed by the bulb?
What is the potential difference across each capacitor? Express your answer using two significant figures. Enter your answers numerically separated by a comma.
If we wanted to find out how period and spring constant relate to each other how would we go about finding the spring constant with the formula F= kx if we have the length of the spring without a ma
A box is pulled up by a rope at a constant acceleration. If its mass 30 kg, its upward acceleration is 1.5 m/s2, and the vertical distance of travel is 17 m, what is the work done by the rope on the
The current in the coil had to be set to 0.512 A to set the electron beam exactly straight. If each coil has 62 turns and has a mean radius of 66.0 cm, calculate the component of the earth magnetic
An electron has a kinetic energy of 2.80 x 10-17 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 5.30 x 10-5 T. Determine the radius of the path? (answer
An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.255 T. If the kinetic energy of the electron is 4.70 10-19 J, find the speed of the electron and the radius of th
To travel at a constant 25.0 m/s speed, exerting a 480 N force to overcome air resistance and friction?
A copper wire has a resistance of 0.425 ohms at 20.0°C, and an iron wire has a resistance of 0.455 ohms at the same temperature. At what temperature are their resistances equal?
If each coil has 62 turns and has a mean radius of 66.0 cm, calculate the component of the earth magnetic field perpendicular to the entering electron beam:
How much work is required to bring three protons, initially infinitely far apart, to a configuration where each proton is 1.5*10^-15 m from the other two? (This is a typical separation for protons
A charge of 22.5 microC is located at (4.40m , 6.22m ), and a charge of -10.1microC is located at ( - 4.50m,6.75m). What charge must be located at (2.23m, - 3.31m) if the electric potential is to be
A 1.6kg wood block is pulled along a wood floor at a steady speed. A second wood block, with mass 4.2kg , is attached to the first by a horizontal string. What is the magnitude of the force pulling
Albert pujols is pitched a 0.145kg baseball at -39.m/s and he hits the ball on a horizontal line drives straight back toward the pitcher at 50.5m/s. if the contact time between bat and ball is 0.003
A screen is placed 48.0 cm from a single slit that is illuminated with light of wavelength 682 nm. If the distance between the first and third minima in the diffraction pattern is 3.10 mm, what is t
An object is observed in a certain frame to have a four-momentum of [Pt,Px,Py,Pz] = [7.0 kg, 5.0 kg, 2, 2]. Find its relativistic momentum in this frame.
The gravitational force is directed parallel to the plane in the same direction as the movement of the block. parallel to the plane in the opposite direction as the movement of the block perpendicul
An object slides on a level surface in the +x direction. It slows and comes to a stop with a constant acceleration of -2.45 m/s2. What is the coefficient of kinetic friction between the object and the
Parallel to the plane in the opposite direction as the movement of the block perpendicular to the plane. toward the center of the Earth.
What is the average net force (in N) that acts on the body as it comes to a stop in the water? You may assume that the acceleration of the body is constant as it descends through the water and you c
The center wire in a coaxial cable carries current 3.00 A in one direction, and the sheath around it carries current 3.00 A in the opposite direction. What magnetic field does the cable create at po