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Two cars, starting from rest, begin thier trips to a mutual meeting point at the same time. Car A travels true east , and accelerates at 6m/s^2, but has a top speed of 55m/s. car B traveks true north and accelerates at 5 m/s^2, but has a top speed of 72 m/s. If car B has been traveling at top speed for 4.7 s when the two cars meet :
A. For how long had each car been traveling?
B. How far away from the meeting point did Car A start?
C. How far away from the meeting point did Car B start?
D. How far away were the cars from each other when they started?
At some automobile toll-collecting stations, a thin metal wire sticks up from the road and makes contact with cars before they reach the toll collector. What is the purpose of this wire?
Write down your expression in terms of the dipole moment. Express your reply in terms of, and appropriate constants.
A lab team rides a ski lift to the top of the mountain, due to some congestion their ears fail to pop, that is the pressure inside the ear does not equalize with the outside atmosphere. Calculate the force on the eardrum
X rays of wavelength 0.0196 nm are directed in the positive direction of an x axis onto a target containing loosely bound electrons. determine the corresponding change in photon energy
Starting from rest, a car travels 1 350 meters in 1.00 minute. It accelerated at 1.0 m/s2 until it reached its cruising speed. What was its cruising speed
q1. a 240 g block hangs from a spring with spring constant 8.0cm. at the block is 23cm below the equilibrium point and
A loaded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from rest and is pulled up a mine shaft by a cable connected to a winch, What maximum power must the motor provide
Two horses pull a large crate of negligible mass at constant speed across a barn floor by means of two light steel cables. What is the work done by each horse if the box is moved a distance of 30 m
For silver electrode (hint: click just below the word "cesium"), what is the highest energy of an electron ejected by light of 250 nm.
Suppose each of the object's three dimensions is increased by a factor of 3 without changing the material od which the object is made. By what factor will the density change
Constructive interference occurs when a soap bubble reflects light of wavelength 430 nm. What is the minimum thickness of the bubble
Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 448 m/s. What is the temperature (in Kelvin) of the environment
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