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What is the speed of a satellite in geosynchronous orbit about Earth? Compare it with the speed of the Earth as it orbits the sun (1 revolution per 365 days).
q1.a race car starts from rest on a circular track of radius 453 m. the cars speed increases at the constant rate of
A grating has exactly 7800 lines uniformly spaced over 2.63 cm, What is the expected angle for the third-order maximum of the green line
A motorist drives south at 20.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.00 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.00 min trip, find (a) the total vector displacement, (b) the average speed, and..
An object has a mass of 0.500kg is released from the top of a building of height 7.00m. Find the time it takes for the object to strike the ground
During a thunderstorm, winds with a speed of 49.4 m/s blow across a flat roof with an area of 751 m2
An outside loudspeaker (considered a small source) emits sound waves with a power output of125W. Find the intensity10.5m from the source.
If friction and air resistance can be neglected, determine her speed vB when she reaches the horizontal end of the ramp at B.
Two metal disks, one with radius = 2.47cm and mass = 0.850kg and the other with radius = 5.00cm and mass = 1.58kg , are welded together and mounted on a frictionless axis through their common center. .
Michael Phelps won a gold medal at the 2008 Beijiing olympics by swimming the 200 meter medley in 1:54:80. On an off-day Mike swims the medley in 1:58:32. What is the speed in mph? (Give the ans. to two decimal places)
An airplane, whose air speed is 380 km/hr, is supposed to fly in a straight line 23.0 degrees north of due east. A steady 100 km/hr is blowing from the north. Illustrate in what direction should the plane head realative to the earth?
The potential difference across a coil is 2.93V at an instant when the current is 347mA, changing at a rate of 327mA/s. At a later instant, What is the inductance of the coil
A weather balloon contains 12.0 m3 of hydrogen gas when the balloon is released from a location at which the temperature is 22.0°C, what is the new volume of the balloon
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