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Four masses, m1 = 5.30 kg, m2 = 4.10 kg, m3 = 9.30 kg, m4 = 4.10 kg, are hanging from the ceiling as shown. They are connected to each other with ropes. What is the string tension in the rope connecting the masses m1 and m2?
A top spins at 28 rev/s about an axis that makes an angle of 33° with the vertical. The mass of the top is 0.44 kg, What is the precession rate
The velocity of an airplane with respect to the ground is 2.00 x 102 m/s at an angle of 30.0 degrees NORTH of EAST. What is the velocity of the air with respect to the ground
An electron traveling horizontally with velocity 1.55 x10^{5} m/s enters a region where a uniform magnetic field is directed into the plane of the paper, find the magnitude of the magnetic force exerted on the particle
A beam of particles is directed at a 0.014-kg tumor. There are 1.9 Ã- 1010 particles per second reaching the tumor, Find the biologically equivalent dose given to the tumor in 22 s
A worker pushing a 35.0-kg wooden crate at a constant speed for 11.5 m along a wood floor does 320 J of work applying a constant horizontal force of magnitude F0 on the crate. (a) Determine the value of F0. (b) If the worker now applies a force great..
A beam of electrons is incident on a crystal with in-plane atomic spacing D = 2.2 Å and out-of-plane spacing C = 1.55 Å, where C and D have the same meaning as on the handouts and class notes.
A drinking straw 20 cm long and 3 mm in diameter stands vertically in a cup of juice 8.0cm in diameter. A section of straw 6.5cm long extends above the juice. A child sucks on the straw, and the level of juice in the glass begins dropping at 0.23c..
A crate of mass 2000 kg is hanging from a crane at the end of a cable 12 m long. what angle will the cable finally make with the vertical
A skater spins with her arms extended at a speed of 11 m/s. If she then whips her arms in to her body to form a circle with a radius of 0.4 m, what was the radius of the circle
One runner ran the 100-m dash in 11.9 s. Another runner came in secona at 12.4 s. determine the sepaaration between the two runners
Dan is gliding on his skateboard at 4.00 m/s. He suddenly jumps backward off the skateboard, How fast is Dan going as his feet hit the ground
Two particles are fixed to an x axis: particle 1 of charge -9.61 x 10-7 C is at the origin and particle 2 of charge +9.61 x 10-7 C is at x = 18.9 cm. Midway between the particles, what is the magnitude of the net electric field?
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