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A plane flies from base camp to Lake A, 280 km in the direction 20.0 degrees north of east. After dropping off supplies it flies to Lake B, which is 190 km at 30.0 degrees west of north from Lake A. Graphically Decide the distance and direction from Lake B to the base camp.
A 3.85 kg mass attached to a spring oscillates with a period of 0.355 s and an amplitude of 20.5 cm. find the maximum speed of the mass
When monochromatic light shines perpendicularly on a soap film (n = 1.33) with air on each side, What is the vacuum wavelength of the light in nm
A ball is tossed from an upper-story window of a house. The ball is given an initial velocity of 7.70 m/s at an angle of 20.0o below the horizontal. Calculate the height from which the ball was thrown
An LED is constructed from a pn-junction based on a certain GA-As-P semiconducting material whose energy gap is 1.9 eV. What is the wavelength of the emitted light
A mass on a spring has a angular oscillation frequency of 2.81rad/s. what is the potential energy stored in the mass-spring system when t=1.42s
One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. The tension in the wire is 140 N. What is the radius of the brass ball
Ignore the force of gravity.
A car traveling 90km/h slows down at a constant 0.50 m/s^2 just by "letting up on the gas." Compute the distance it travels during the third second.
a 3.000 u 1 u 931.5 mevc2 object moving to the right through a laboratory at 0.8c collides with a 4.000 u object
Assume another solar system with a star of the same mass as the sun. Evaluate what the orbital period of this planet
A metallic sphere has a charge of +4.4 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 7.2 109 electrons are transferred. What are the charges of the sphere and the rod now? sphere nC rod nC
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. How many electrons are there in 6.24 liters of water
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