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An airplane with a speed of 89.1 m/s is climbing upward at an angle of 48.4 ° with respect to the horizontal. When the plane's altitude is 548 m, the pilot releases a package. Relative to the ground, determine the angle of the velocity vector of the package just before impact.
A meteor that falls to earth from a great distance has a speed of 11 km/s. In class we found that the temperature of an iron meteor is 290,000K. We assumed all of the energy heats the meteor and none of it is transferred to the surroundings.
An archeological specimen containing 8.7 g of carbon has an activity of 1.8 Bq. How old (in years) is the specimen
q1. two 75.0 w 120 rm v light bulbs are wired in series then the combination is connected to a 230 v supply. how much
A small sculpture made of brass (rbrass = 8470 kg/m^3) is believed to have a secret central cavity. What is the volume of the secret cavity
the planes speed when landing in still air is 20 m/s. what is the speed relative to the ground if it lands with the 10 m/s wind
If the rocket gases are expelled at a speed of 2010 m/s, explain how much mass must be expelled?
A person is riding a bicycle, and its wheels have an angular velocity of 12.1 rad/s. What is the anguar acceleration (in rad/s2) of each wheel
A 46 kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a velocity of - 1.2 m/s. Her hands are in contact with the wall for 0.8 s. Ignore friction and wind resistance.
A worker pushes horizontally on a large crate with a force of 297 N, and the crate is moved 4.8 m. How much work was done.
Find the self-inductance of a solenoid 44cm long and 6.0cm in diameter that contains 2000 turns of wire
The specific heat of a certain 50 g metallic block is 900 J/kg K. If the block is at an initial temperature of 80 degrees Celsius, and dropped into a 50 g bucket of water at 1 degree Celsius, Find the final temperature of the system
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. compute the distance in which the snowmobile coasts to a halt
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