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Given two vectors A1 and A2. Where the magnitude of these two vectors are A1 = 51 N, and A2 = 80 N. And where θ1= 326o and θ2 =265o. The angles are measured from the positive axis with the counter clockwise angular direction as positive. Find the magnitude of the resultant vector F, where f = A1 +A2?
A 100 W point source radiates yellowish-green light of wavelength 555 nm uniformly in all directions. how far from the source could the light be detected
a train moving with constant velocity travels 170 m north in 12 s and an undetermined distance to the west. the speed
How many kcal of heat must be withdrawn from 4.56 kg of steam at 125°C to change it to ice at -44.5°C.
A metal bar with a resistance of 30 ohms is rotated around its center in a magnetic field of strength 0.5 T, what is the electrical power dissipated in the resistor
a 270-m-wide river flows due east at a uniform speed of 4.0 ms. a boat with a speed of 8.5 ms relative to the water
a batter hits a fly ball which leaves the bat 0.88m above the ground at an angle of 62 with an initial speed of 29m/s heading toward centerfield. how far from home plate would the ball land if not caught
a 6000 kg struck moving at 75 km/hr hits a stopped 3000kg car. they lock bumpers and skip to a stop. find the speed of the truck and car system
A 640- hollow ball 19 in diameter is suspended by a wire and is undergoing torsional oscillations at a frequency of 0.78 What is the torsional constant of the wire
A string 1.5 meter long with a mass of 2.5 gram is stretched between two fixed points with a tension of 99 Newton. Obtain the frequency of the fundamental on this string
A box weighing 215 N is placed on an incline plane that makes an angle of 350 with the horizontal. Compute the component of the weight perpendicular the plane
A wire of length L = 15 is bent into a semi circle . If the total charge on the wire is -45nC, determine the electric field at the center point of the semicirlce.
A 12 g bullet is stopped in a block of wood (mw = 5.6 kg). What was the original speed of the bullet
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