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The earth is constantly bombarded by cosmic rays, which are charged particles from outer space. Find the force on one such cosmic ray? a proton that is instantaneously moving vertically downward at 5.27 X 107 m/s at a point outside the atmosphere over New York, where the magnetic field dips 74.0o below the horizontal and has a horizontal component of1.70 X 10-5 T (see figure below).
A 2600kg space vehicle, initially at rest, falls vertically from a height of 3100km above the Earth's surface. Determine how much work is done by the force of gravity in bringing the vehicle to the Earth's surface
An astronaut in an orbiting spacecraft is ''weighed'' by being strapped to a spring of constant k = 385 N/m, and set into simple harmonic motion. If the oscillation period is 3.0 s, what is the astronaut's mass?
A wave pulse travels down a slinky. The mass of the slinky is m = 0.9 kg and is initially stretched to a length L = 7.3 m. What is the speed of the wave pulse
Starting from rest, a basketball rolls from the top of a hillto the bottom, reacing a translational speed of 3.54 m/s. Released from the rest at the same height, a can of frozenjuice rolls to the bottom of the same hill. What is the translational sp..
A block is given an initial velocity of 7.0 m/s up a frictionless 24 degree incline. find the block's acceleration as it slides up the plane
A ship travels 80 km due north on the first day of a voyage, 50 km northeast on the second day, Find the resultant displacement by the polygon method
A 1200kg automobile travels at 90km/h. What is its kinetic energy? What net work would be required to bring it to a stop
According to a report on traumatic brain injury, the force that a professional boxer's fst exerts on his opponent's head is equivalent to being hit with a 5.9kg bowling ball traveling at 8.9m/s that stops in 0.018s. Determine the average force that t..
The light emitted by a helium neon laser has a wavelength of 632.8 nanometer in air. calculate its wavelength in zircon
A softball of mass 0.220 kg that is moving with a speed of 8.5m/s collides head-on and elastically with another ball initially atrest. compute the velocity of the target ball after the collision
A person whose mass is m = 88.5 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle a = 16.7° with the horizontal. What is the reading on the scale
An ideal gas sample occupies a container of volume 0.45L at STP. Find the number of molecules in the sample
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