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a 750g mass traveling at 8m/s undergoes a head on elastic collision with a 50g mass traveling towards it at 8m/s. What is the speed of the 50g mass after the collision?
A plane flies from base camp to Lake A, 300 km away in the direction 36.9° south of east. After dropping off supplies it flies to Lake B, which is 260km at 30.0° west of north from Lake A. find out the distance and direction from Lake B to the bas..
a point charge q1 3.85nc is located on the x-axis at x 2.00m and a second point charge q2 -5.55nc is on the y-axis
A 1-cm-thick layer of water stands on a horizontal slab of glass. A light ray in the air is incident on the water 64? from the normal. what is the ray's angle from the normal
a sewing machine needle moves with a rapid vibratory motion rather like shm as it sews a seam. suppose the needle
A pilot, whose mass is 85.0 kg, makes a loop-the-loopin a fast jet. Assume that the jet maintains a constant speed of105 m/s and that the radius of the loop-the-loop is 0.393 km
a positively charged bead having a mass of 1.00 g falls from rest in a vacuum from a height of 7.50 m in a uniform
Two football players go to kick a ball at the same time. One kicks it with a velocity of 25ms-1 at an angle of 12o to the horizontal, What is the resultant velocity of the bal
a. 1.6m long string fixed at both ends vibrates at resonant frequencies of 780hz and 1040hz with no other resonant
a soccer ball is kicked from the ground with an initial speed of 20.6 ms at an upward angle of 45deg. a player 52.4 m
Gas flows from a reservoir at 2000 psi pressure into a well at 1 atm pressure, what is the actual volumetric flow in the well
A 870.0 kg car travelling on a level road at 27.0 m/s(60.5 mi/hr) can stop, locking its wheels, in a distance of 61.0 m(200.1 ft). Find the size of the horizontal force which the carapplies on the road while stopping.
q1. when a surface is irradiated with light of wavelength 4950 a a photo current appears that vanishes if a retarding
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