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An electron experiences the greatest force as it travels 3.4×106m/s in a magnetic field when it is moving northward. The force is vertically upward and of magnitude 7.7×10-13N.
What is the magnitude of the magnetic field?
A Ferris wheel with a radius of 8.2 meter rotates at a fix rate, completing one revolution every 43 second. Obtain the direction and magnitude of a passenger's acceleration
a simple harmonic oscillator consists of a block of mass 3.90 kg attached to a spring of spring constant 169 nm. when t
The three air cartsshown in the figure have masses, reading from left to right, ofm, 2m, and 4m, respectively. Initially, the cart on theright is at rest, whereas the other two carts are moving to theright with a speed v_0.
A 5 g bullet with speed of 400m/s gets stuck in a 1 kg wooden block (originally not moving). Classify the collision. (b) Find the new speed of block+bullet. (c) Find the amount of kinetic energy lost. Where does it go?
The motor of a table saw is rotating 3450 rev/min. A pulley attached to the motor shaft drives a second puller of half the diameter by means of a V-belt. Compute the radial acceleration of points on the outer edge of the blade
A cylindrical cistern, constructed below ground level,is 2.8 m in diameter and 2.0m deep and is filled to the brim with a liquid whose index ofrefraction is 1.3. A small objectrests on the bottom of the cistern at its center.
Biological muscle cells can be thought of as nanometres that utilize the chemical energy of ATP to produce mechanical work. Measurements show that the active proteins within a muscle cell (such as myosin and act in) can produce a force of about 7.5 p..
Two electrons in the similar atom have n = 3 and script i = 2. How many quantum numbers are there for the possible states of the atom?
a factory worker pushes a 30.2kg crate a distance of 4.5m along a level floor at constant velocity by pushing downward
A plane has an airspeed of 142m/s. A 16.0m/s wind is blowing soutward at the same time as te plane is flying. what is the magnitude of that velocity
A chair is pulled away as a person is moving downward to sit on it, causing the victim to land hard on the floor. Suppose the victim falls 0.50m, the masss that moves downward is 70kg, and the collision on the floor lasts 0.082s.
refrigerant 134a enters a compressor operating at steady state as saturated vapor at 0.12 mpa and exits at 1.2 mpa and
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