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Skid of 40kg and Mitch of 60kg are standing on ice opposite sides of an inifnite black pit. They are each carrying neutral massless spheres while standing 8m apart. Suppose that 3.0E15 electrons are removed from one sphere and placed on the other.
A) calculate magnitude of the electrostatic forces on each sphere.
B) Calculate the magnitude of the acceleration for Skid and Mitch at the moment they are 8m apart.
C) As Skid and Mitch move closer, does their acceleration increase, decrease or stay the same?
A 3.25 mol sample of an ideal diatomic gas expandsadiabatically from a volume of 0.1990 m^3 to 0.704 m^3.Initially the pressure was 1.00 atm..
A standard nuclear power plant generates 2.4GW of thermal power from the fission of 235U. Experiments show that, on average, 0.19 u of mass is lost in each fission of a 235U nucleus.
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 kg/m3, length 82.2 centimeter and diameter 3.00 centimeter from a storage room to a machinist. Estimate what the weight of the rod
A pendulum is made up of a 2.0 kilogram mass suspended on a thin aluminum wire. Determine the length of the pendulum wire at the equator
A long, straight, thin-walled cylindrical shell of radius R carries a current I parallel to the central axis of the shell. Discover the magnetic field (including direction) both inside and outside the shell.
Assume that the vapor is an ideal gas (not a good approximation). a) How much work is done on the ethanol? b) What is the change in internal energy of the ethanol?
if a van de graff generator has an electric potential of 169 kv and a diameter of 18.9 cm find how many more protons
Upon being struck by 240 nm photons, a material ejects electrons with a maximum kinetic energy of 1.44 eV. Estimate the work function of this material
An object is launched from a cliff (h meters above the ground) at t= 0 with an initial launch speed of v0 m/s at an angle of m/s at angle of above the horizontal. at t = 1 sec, the projectile reaches its highest point. At t=5 sec, the object lands th..
Compute the position, velocity vector and the distance attained by athlete in a long jump event.
1. an 80 kg man climbs a 50 m-high hill in 20 minutes. what is the average power in watts he expends climbing the hill?
A stockroom worker pushes a box with mass 11.3kg on a horizontal surface with a constant speed of 3.50m/s. What horizontal force must the worker apply to maintain the motion of the box
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