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The solar wind is a thin, hot gas given off by the sun. Charged particles in this gas enter the magnetic field of the earth and can experience a magnetic force. Suppose a charged particle traveling with a speed of 9.00 x 106 m/s encounters the earth's magnetic field at an altitude where the field has a magnitude of 1.00 x 10-7 T. Assuming that the particle's velocity is perpendicular to the magnetic field, find the radius of the circular path on which the particle would move if it were each of the following. (a) an electron 1 m (b) a proton 2 m
A major-league pitcher can throw a ball in excess of 41.5 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches a catcher who is 17.0 m away from the point of release
While on a camping trip, you would like to carry water from the lake to your campsite. find Which bucket holds more water
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.23 10-3 g. Find the average pressure on the other walls
In a common but dangerous prank, a chair is pulled away as a person is moving downward to sit on it, causing the victim to land hard on the floor. What is the magnitude of the impulse acting on the victim from the floor during the collision
A woman finds the front windshield of her car covered with ice at -12.0 °C. How much heat is required to melt the ice
A pulley of mass 1.6 kg and radius 3.8 cm holds 2 masses: mass of A= 4.2 kg and mass of B= 7.0 kg, what is the acceleration of the system
The electric potential difference between the ground and a cloud in a particular thunderstorm is 9.3 x 109 V. What is the magnitude of the change in the electric potential energy (in eV) of an electron that moves between the ground and the cloud?
A molecule of DNA (deoxyribonucleic acid) is 2.35 µm long. The ends of the molecule become singly ionized: negative on one end, positive on the other. Determine the effective spring constant of the molecule
Two large parallel plates are separated by 0.90cm and carry uniform charge densities equal in magnitude and opposite in sign. A proton is between the plates and has an acceleration of magnitude 1.40×10^11m/s^2.
In 1956, Frank Lloyd Wright proposed the construction of a mile-high building in Chicago. find the change in your weight if you were to ride an elevator from the street level, where you weigh 810 N, to the top of the building
a capacitor consists of three concentric spherical shells with radii r2r and 3r. the inner and outer shells are
When a fighter pilot makes a very quick turn, he experiences a centripetal acceleration. What is the minimum radius of curvature that he can take without blacking out
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