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Q1. An airplane is flying with a velocity of 86.0 at an angle of 23.0 above the horizontal. When the plane is a distance 114 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
Q2. A bird sits on a high voltage power line with its feet 2.60 cm apart. The wire is made from aluminum, is 2.79 cm in diameter, and carries a current of 177 A. What is the potential difference between bird's feet? Respond in mV
Horse races once around a circular track in a time of 176 s, with a speed of 26 m/s. What is the radius of the track.
Discover the magnitude of acceleration
A brick is thrown upward from the top of a building at an angle of 45° to the horizontal and with an initial speed of 10 m/s. If the brick is in flight for 2.8 s, how tall is the building.
An isolated copper sphere of radius 4.85cm, at first uncharged, is illuminated by ultraviolet light of wavelength 244nm. The work function for copper is 4.70 eV. What charge does the photoelectric effect induce on sphere.
A bucket is made from thin sheet metal. The bottom and top of the bucket have radii of 21.0 cm and 39.0 cm, respectively. The bucket is 30.0 cm high and filled with water. Where is the center of gravity.
Get the expression for how moving clocks run slowly when seen by observers at rest.
Define the carrier power, total power and sideband power in the AM signal.
A disk of radius has a total charge uniformly distributed over its surface. The disk has negligible thickness and lies in the xy plane. What is the electric potential V (z) on z axis as a function of z, for z>0.
What is Horizontal angle of projectile
The flywheel of an engine has a moment of inertia 2.80 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy.
A playground is on the flat roof of a city school, 5 m above the street below (see figure). The vertical wall of the building is h = 6.20m high, to form a 1.20 m high railing around the playground.
Find out h orizontal angle of projectile
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