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A jogger is running around a circular track of circumference 400m. If the jogger has a speed of 12 km/h, what is the centripetal acceleration of the jogger?
Studies of the relationship of the sun to our Galaxy- The Milky Way - Have revealed that the sun is located near the outer edge of the galatic disc, what is the period of the sun's galactic motion
A fan at a rock concert is 35m from the stage, where sound intensity level is 125 dB. Her eardrums have a diameter of 8.07mm. How much energy is transferred to each eardrum in one second? (Distance from the speaker to the edge of the stage is 1 m...
Illustrate what happens if the party against whom enforcement of an oral contract is sought admits in court that a contract was made?
A stone is thrown upward with an inital speed of 20 m/s. What is its acceleration at the higest point of its trajectory, Find its veolocit
Light of wavelength 420 nm is incident normally on a film of water 1.0 µm thick. The index of refraction of water is 1.33, What is the wavelength of the light in the water
what is the final position of the man. What is the magnitude of the electric field (in N/C) at the point (-2.0 m, 3.0 m).
A 70.0-g object connected to a spring with a force constant of 25.0 N/m oscillates with an amplitude of 6.00 cm on a frictionless, horizontal surface. Find the total energy of the system
A beam of particles is directed at a 0.015-kg tumor. There are 1.3 × 1010 particles per second reaching the tumor, Find the biologically equivalent dose given to the tumor in 21 s
According to a crude model, the 11B nucleus is a uniform solid sphere of mass 1.83*10^-26 kg and radius 2.67*10^-15 m which spins about its diameter. what is the angular velocity of the boron nucleus
An airplane is flying in a horizontal circle at a speed of 100 m/s. The 80.0-kg pilot does not want her radial acceleration to exceed 7g. (a) What is the least radius of the circular path? (b) At this radius, what is the force causing the centripe..
A 1350 kg cannon, which fires a 70 kg shell with a speed of 606 m/s relative to the muzzle, At what angle with the ground is the shell projected
o particles with charges +9e and -9e are initially very far apart (effectively an infinite distance apart). which is the change in the electric potential energy
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