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A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths?
A father racing his son has three-fifths the kinetic energy of the son, who has one-third the mass of the father. What is the original speed of the father
An asteroid with a rest mass of 8.2 1011 kg is observed to have a relativistic momentum of magnitude 4.54 1020 kg · m/s
Explorer is caught in a whiteout (in which snowfall is so thick that the ground cannot be distinguished from the sky) as returning to base camp.
A 4.6 long, 480 steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction.
An airplane with a speed of 69.8 m/s is climbing upward at an angle of 40° with respect to the horizontal. Calculate the distance along the ground, measured from a point directly beneath the point of release
Standing waves on a 1.7m -long string that is fixed at both ends are seen at successive frequencies of 36 Hz and 54Hz. What is the fundamental frequency
A bat in a cave emits a sound pulse and receives an echo 0.22 second later. Assuming that the speed of sound is 339 m/s, how far did the sound (the longitudinal wave) travel during this time.
A thick-walled hollow cylinder (inner radius=47 cm, outer radius=66 cm) rolls down a 7° incline. If it starts with a speed of 1.9-m/s, what is its speed after it has travelled 16 m? (m/s).
A boy whirls a stone using an r-m long string in a horizontal circle h m above the ground. The string broke, and the stone flies off horizontally and strike the ground x m away.The velocity with which the stone flies off the circle is? The centrip..
On a Saturday morning, pickup trucks and sport utility vehicles carrying garbage to the town dump form a nearly steady procession on a country road, With what frequency do the trucks pass him
suppose the speci?c heats of milk and coffee are the same as that of water.
a satellite is describing a circular orbit about the Earth with speed V. The satellite is separated into two pieces by explosive bolts which gave them an equal but opposite velocity, Find the two new orbits
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