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A roller coaster car moves 200 ft horizontally and then rises 135 ft at an angle of 30 degrees above the horizontal. It then travels 135 ft at an angle 40 degrees downward. What is its displacement from its starting point? Use graphical and quantitative techniques.
A copper ball with a radius of 1.5cm is heated until its diameter has increased by 0.17mm .Assuming an initial temperature of 21?C
Coherent light with wavelength 591 passes by two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central bright f..
A space vehicle is coasting at a constant velocity of 23.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.395 m/s2 in the +x directio..
The coefficient of static friction between the block and table's surface is &mu s = 1/3. The mass of the block that is hanging down is n1 Kg. The tangent of the angle shown in the figure is tan & theta = n2. What is the minimum value of mass, n3 Kg t..
It is said that Galileo discovered a basic principle of the pendulum - that period is independent of the amplitude - by using his pulse to time the period of swinging lamps in the cathedral as they swayed in the breeze. assume that one oscillation..
What fraction of incident intensity is transmitted by system
Evaluate the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
The tuner starts with the tension in the E string a little low, after that tightens it. What is the frequency of the E string while she hears four beats per second.
Discover the magnetic field on the z axis What happens if the block is immersed in carbon disulfide
You have a 2.01-m-long stretched string with a mass of 19.5 g. When you oscillate the string at 440 Hz, Calculate the tension in the string
when combing your hair, you transfer electrons from the hair onto the comp. is your hair then positively or negatively charged? how about the comb.
Two objects are maintained at constant temperatures, one hot and one cold. Two identical bars can be attached end to end, as in part a of drawing, or one on top of the other, as in part b. When either of these arrangements is placed between the hot a..
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