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A projectile is launched straight up at 141 m/s. How fast is it moving at the top of its trajectory? How fast is it moving of its curved trajectory when at 45 degree angle?
A car's outside rear-view mirror is convex, with focal length -1.4 meter. Evaluate what is its apparent location
The hydrogen spectrum has a red line at 656 nm and a violet line at434 nm. What angular separation between two spectral lines obtained by a diffraction grating that has 4880lines/cm? (Suppose that the light is incident normally on the grating.)
The amplitude of a system moving with simple harmonic motion is doubled. The total energy will the be:
The momentum of a soccer player is 100kg-m/sec and he hits a soccer ball with a mass 0.1 kg, find the speed(velocity) of the soccer ball
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 3.7 kg · m2. A secondstudent tosses a 1.4-kg mass with a speedof 2.2 m/s to the student on the stool,
The maximum torque experienced by a coil in a 0.80 T magnetic field is 8.4*10-4 N · m. The coil is circular and consists of only one turn. The current in the coil is 3.7 A. What is the length of the wire from which the coil is made?
An object is located on the optical axis of a converging lens a distance of 50.0 cm in front of the lens. where will the image of this object be located
A glass camera with an index of 1.55 is to be coated with acryolite film (n ˜ 1.30) to decrease the reflection ofnormally incident green light (λo = 500nm). What thickness should be deposited on the lens
You desire to observe details of the Statue of Freedom, the sculpture by Thomas Crawford that is the crowning feature of the dome of the United States Capitol in Washington D.C. what focal length should the eyepiece have
There are two pith balls that are suspended from a pendulum and repel each other, calculate the tension of the string and the mass of the balls
Determine three (3) characteristics of an effective team and three (3) characteristics of an effective team leader.
The water supply of a building is fed through a main pipe 7.00 cm in diameter. A 2.00 cm diameter faucet tap, located 2.10 m above the main pipe, is observed to fill a 25.0 L container in 30.0 s.
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