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Problem: What is the acceleration of an object thrown vertically upward at an angle of 45º (wrt the horizontal) when the object reaches the top of the path?
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A soccer ball is kicked at an angle of 30 degrees by the flat ground, and at an initial speed of 50ft/s. Neglecting wind resistance, how far away will the ball land? Give your answer in units of ft.
A 2.1 kilogram mass is connected to a spring with spring constant k = 150 N/m and unscratched length 18 centimeter. Evaluate what is the radius of its path
The temperature of a gold bar rises by 10°C when it absorbs 0.677 kJ of energy by heat. The mass of the bar is 525 gram. Obtain the specific heat of gold from these data
A force of 75N is applied horizontally to a box of mass 10kg, moving with an initial speed of 4m/s on a level surface with coefficient of kinetic friction= 0.3
Suppose a single electron orbits about a nucleus containing two protons (+2e), Determine the magnitude of the electron's centripetal acceleration
A beam of electrons passes undeflected through two mutually perpendicular electric and magnetic fields. E = 8kV /m and B = 2 × 10?3T. Determine the ratio of the electron charge to mass
A 184.6-turn circular loop of radius 0.08 meters with a magnetic field B passing through the area bounded by the loop at right angles has an Emf of 0.050 Volts induced around the loop by the rising magnetic field
A soccer player kicks the ball toward a goal that is 16.0 m in front of him, Find the speed of the ball when the goalie catches it in front of the net
A string has a linear density of 5.7 x 10-3 kg/m and is under a tension of 400 N. The string is 1.4 m long, determine frequency of the traveling waves that make up the standing wave
A 0.93-µF capacitor is charged by a 37.0-V power supply. Find the maximum current in the resulting oscillations
With what tension should a rope with length 3.00m and mass 0.135kg be stretched for transverse waves of frequency 43.0Hz to have a wavelength of 0.720m. What torque does friction exert even as this wheel is slowing down.
an airplane is traveling at 117 mph relative to the air 13 degrees e of n at an altitude of 5000 ft. it encounters a
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