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A woman at an airport is towing her 25.0 kg suitcase at constant speed with pulling on a strap at an angle of 45 degrees above the horizontal. The coefficient of kinetic friction is μk=0.30. Draw a free body diagram of the suitcase. Discover the magnitude of force she is pulling at the strap with. Discover the magnitude of the normal force on the suitcase
Two conducting spheres, one of radius 0.010 m. and the other of radius 0.170 m., each have a charge 3.00E-08 C. and are very far apart. find the final potential (in volts) in each sphere
A spacecraft approaching the earth launches an exploration vehicle. After the launch, an observer on earth sees the spacecraft approaching at a speed of 0.58c and the exploration vehicle approaching at a speed of 0.73c. What is the speed of the explo..
In an exercise to heat up some cold, hard cash, a coin with a massof 6.25 g that has been kept in the freezer at a temperature of-18.05 deg-C is taken out and placed into a thermos containing 14.3ml of warm water at 35.00 deg-C.
The 73 kg student balances an 1100 kg elephant on a hydraulic lift. Inside the lift is filled with oil and the diameter of the piston the elephant is standing on is 2.0 m, What is the second student's mass
Assume a planet is a uniform sphere of radius R that (somehow) has a narrow radial tunnel through its center. Also assume we can position an apple anywhere along the tunnel or outside the sphere.
The isotope shift of spectral lines refers to the shift in wave-lengths (or frequencies) due to the different masses of given ele-ments. Find the isotope shifts for each of the four visible Balmer series wavelengths for deuterium and tritium compared..
A billiard ball of mass m = 0.25 kg strikes the cushion of a billiard table at θ1 = 52 ° and a speed v1 = 27 m/s. What is the magnitude of its change in momentum
You stand in the earth's magnetic field, directly facing it's horizontal component ( in other words, facing magnetic south). Compute the outward flux through your body's back surface
A 10-cm-diameter disk emits light uniformly from its surface. 20 cm from this disk, along its axis, is an 9.0-cm-diameter opaque black disk; the faces of the two disks are parallel. 20 cm beyond the black disk is a white viewing screen.
A violin string is 24.0 centimeter long. It sounds the musical note A (440 Hertz) when played without fingering. Find how far from the end of the string should you place your finger
What is the coefficient of kinetic friction
A parallel-plate air capacitor with a capacitance of 245 has the charge of magnitude 0.1502 on each plate. The plates have the separation of 0.323.
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