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An automobile accident investigator needs to determine the initial westerly velocity of a Jeep (m=1720 kg) that may have been speeding before colliding head-on with a Volkswagen (m=1510 kg) that was moving with a velocity of 75.7 km/h east. The speed limit on this road is 90km/h. After the collision, the Jeep and the Volkswagen stuck together and continued to travel with a velocity of 15.5 km/h west.
a. Find the initial westerly velocity of the Jeep.
b. Was the Jeep speeding?
A molecule of DNA (deoxyribonucleic acid) is 2.30 µm long. The ends of the moleculebecome singly ionized -- negative on one end, positive on the other. The helical molecule acts as a spring and compresses 0.77% upon becoming charged.
Light of wavelength 6.00 102 nm passes through a slit of width 0.210 mm. Determine the width of the first-order bright fringe
A 5.40×10-2- wad of putty is thrown horizontally at the block, hitting it with a speed of 2 and sticking. far does the putty-block system compress spring.
The electromagnetic waves used in a microwave oven has a wavelength of 13.34 cm. What is the frequency of this radiation
A cylindrical air tank has dimensions diameter = 0.2m and height 0.8m, Calculate the mass of air in the tank (kg) (have to use ideal gas law, molecular weight of air)
A chimney sweep is climbing a long ladder that leans against the side of a house. find the displacement of her feet from the base when she has climbed twice as far
120 g ball moving to the right at 4.1m/sec catches up and collides with a 450 g ball that is moving to the right at 1.2 m/sec what is the speed of both balls after the collision?
It is possible to turn right handed unit co-ordinate system into a left handed unit system by multiplying all three unit vectors by one scalar determine what is this scalars
orville walks 318 m due east. He then continues walking along the straight line, but in a different direction, and stops 164 m northeast of his starting point. How far did he walk during the second portion of trip and in what direction.
An asteroid has acquired a net negative charge of 119 C from being bombarded by the solar wind over the years, and is currently in equilibrium whereby it expels electrons at the same rate as it acquires them. How many more electrons does it have than..
As the captain of the scientific team sent to Planet Physics, one of your tasks is to measure g. You have a long, thin wire labeled 1.41g/m and a 1.30kg weight. You have your accurate space cadet chronometer but, unfortunately, you seem to have fo..
An iron wire has a cross-sectional area of 1.14 10-5 m2. Carry out steps (a) through (e) to compute the drift speed of the conduction electrons in the wire, If the wire carries a current of 9.0 A, calculate the drift speed of conduction electrons
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