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The two vectors and in the figure below have equal magnitudes of 11.0 m and their angles are ?1 = 30° and ?2 = 95°.
(a) Find the x and y components of their vector sum . +
(b) Find the magnitude of . m
(c) Find the angle makes with the positive x axis. °
Two wires are tied to the 300g Sphere as shown in figure below. The sphere revolves in a horizontal circle at constant speed of 7.5 m/s. Find the tension in each wire
Consider a rectangular metal loop of length of 0.15m and width of 0.08m. Determine the emf induced in the wire on the left side of the loop
questionhuman blood contains plasma platelets and blood cells. to part plasma from other components centrifugation is
This one is challenging: A thin uniform pole of length 30 m is pivoted at the bottom end. Calculate the most probable point of rupture on the pole as the pole falls
A 0.540 kg football is thrown with a speed of 15.5 m/s. What is the magnitude of the impulse delivered to the ball by the receiver
A copper ball with a radius of 1.7cm is heated until its diameter has increased by 0.19mm a)Assuming an initial temperature of 22 degrees celsius, find the final temperature of the ball.
A sample of an unknown material appears to weigh 285 N in air and 180 N when immersed in alcohol of specific gravity 0.700. What is the density of the material
Oily n =1.38 finger.prints on a glass plate n = 1.52 preferentially reflect light with a frequency of 550 mm. What is the thickness of the finger print
A large punch bowl holds 4.00kg of lemonade (which is essentially water) at 25.0?C. A 5.00×10?2-kg ice cube at -13.0?C is placed in the lemonade. What is the amount of ice (if any) remaining
At rest, a car's horn sounds at a frequency of 385 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the similar direction with one-third the car's speed hears a frequency of 342 Hz. What is the speed of the ca..
questionin everyday life we know that something described as white hot is hotter than something described as red hot.
What is the approximate radius of Earth? Its mass is 6.0*10^24 kilograms and the acceleration due to gravity at its surface is 9.8 m/s2
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