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Particle mass of 0.5 kg. The particle has a initial velocity with horizontal component of 30 m/s. The particle rises to a max height of 20m above p. partical is on a cliff 60 m high. Find velocity in the y direction (vertical). Find horizontal and veryical components when the particle reaches b at the bottom.
A goose flying toward you at 11.4m/s emits a squawk, which you hear at 262Hz, Find the wavelength of the sound you hear
Tension is maintained in a string. The observed wave speed is 25 m/s when the suspended mass is 3.0 kg. (a) What is the mass per unit length of the string?
A piston, A, has a diameter of 0.74cm. A second piston, B, has a diameter of 2.6 cm. In the absence of friction, determine the force, F, essential to support the 539.7 N weights. Answer in units of N.
An ammeter with an internal resistance of 53.0 ? measures a current of 5.75 mA in a circuit containing a battery and a total resistance of 1290 ?. Determine the actual value of the current
Find the quantum uncertainty of the position of a car along its direction of motion. Assume that the mass of the car is 1840 kg and its speed is known with accuracy ?v = 1 km/hour
Consider an electron in hydrogen having total energy - 0.850 eV. What are the possible values of its orbital angular momentum
on 2003 august 27 mars was in opposition as seen from the earth. on 2005 july 14 687 days later mars was in western
an object of unknown mass is initially at rest and dropped from a height h. it reaches the ground with velocity v1. the
You require a sheet of copper for a home project, and since it is sold by the square foot, you buy 2.0 ft2 (according to the label). But, when you get home and check the actual dimensions for yourself, you find that the area is really 1.997 ft2. If y..
questionassume that a climber having mass m and who are l tall rappels down a vertical cliff with her body rose at a 43
A +45?C point charge is placed 42cm from an identical +45?C charge. How much work would be required for an external force to move a +0.70?C test charge from a point midway
If parallax can be measured with an accuracy of 0.01 arc second, and the mean density of stars in the solar neighbour is 0.1 pc^-3, how many stars can have their distance gauged via parallax?
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