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A package falls out of an airplane that is flying in astraight line at a constant altitude and speed. If you could ignorethe air resistane, what would be the path of the package asobserved by the pilot? As observed by a person on the ground?
The electric field in a velocity selector is generated by two parallel plates separated by 5.00 cm with a potential difference of 90.0 V. at what speed will particles pass through undeflected
How much work must this force do to stop the wheel. An electron moving along the x axis has a position given by x = 11te-1t m, where t is in seconds. How far is an electron from the origin when it momentarily stops.
A diver of weight 780 N stands at the end of a diving board of length L = 5 m and negligible mass. The board is fixed to two pedestals separated by distance d = 1.5 m
An ideal gas is taken through a Carnot cycle. The isothermal expansion occurs at 240°C, and the isothermal compression takes place at 50.0°C. Find the energy expelled to the cold reservoir in each cycle
Three applied forces, F1= 20.0 N, F2= 40.0 N and F3= 10.0 N act on an object with a mass of 2.00 kg which can move along an inclined plane. What is the amount of work done by the gravitational force as the object moves up the inclined plane
Pure silicon is used as a photon detector. An incoming photon canstrike the surface and excite electrons from the valence band tothe conduction band, where they can be counted.
What is the electric potential energy in joules of two electrons separated by 1.33 nm, What would be it be if the separation was doubled
The current in a 100 watt lightbulb is 0.800 A. The filament inside the bulb is 0.220 mm in diameter. What is the current density in the filament
A projectile is fired with an initial speed of 65.9 m/s at an angle of 37.8 degree above the horizontal on a long flat firing range. Determine the total horizontal distance covered (that is, the range)
A moving particle encounters an external electric field that decreases its kinetic energy from 9820 eVto 7470 eV as the particle moves fromposition A to position B. The electric potentialat A is -51.0 V, and the electric potential at B is +28.9 V.
A skateboarder, starting from rest, rolls down a 12.5 m ramp. When she arrives at the bottom of the ramp her speed is 6.10 m/s. Determine the magnitude of her acceleration
A passenger walks from one side of a ferry to the other as it approaches a dock. what are the direction and magnitude of the ferry's velocity relative to the water
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