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When closest to Earth, Mars is 200 times farther away than the Moon. What parallax angle (in arcseconds) would the same two Earth-based observers measure for Mars? (HINT: No high level math is needed. Just visualize the triangles involved for the Moon and Mars and the idea of proportionality.
A thin, circular disk of radius R = 30 cm is oriented in the yz-plane with its center as the origin. Calculate the magnitude of the electric field due to the disk at the point x = 15 cm along the x-axis
The x -component of the velocity of an object vibrating along the x - axis obeys the equation vx(t)= (0.445 m/s) sin [(25.4rad/s)t + 0.223]. Find the maximum acceleration of the vibrating object
A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. Find how far short of the target should it drop the package
Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
When two lenses are used in combination, the first one forms an image that then serves as the object for the second lens. Find the location and height of the image
An airplane with a speed of 77.3 m/s is climbing upward at an angle of 31.3 ° with respect to the horizontal. When the plane's altitude is 845 m, Calculate the distance along the ground
An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 4.50 m/s2
a particle starts from the origin at t 0 with an initial velocity of 4.0 ms along the positive x axis. if the
A gold prospector finds a solid rock that is composed solely of quartz and gold. Find the mass of the gold in the rock
The component of the external magnetic field along the central axis of a 12-turn coil of radius 27 centimeter decreases from 1.90 T to 0.650 T in 3.10 second. obtain the magnitude of the induced current in the coil
Two identical containers are open at the top and are connected at the bottom via a tube of negligible volume and a valve that is closed. Both containers are filled initially to the same height of 1.00 m, one with water, the other with mercury, as the..
A small mailbag is released from a helicopter that is descending steadily at 2.12 m/s. How far is it below the helicopter
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