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A block is dropped onto a spring with k = 33 N/m. The block has a speed of 3.4 m/s just before it strikes the spring. If the spring compresses an amount 0.11 m before bringing the block to rest, what is the mass of the block?
A space probe with a rest mass of 8.1×107kg and a speed of 0.50c smashes into an asteroid at rest and becomes embedded within it. what is the rest mass of the asteroid
A lead fishing weight with a mass of 57.0g absorbs 146cal of heat. If its primary temperature is 50 C, what is its final temperature.
A standing wave in a pipe with both ends open has a frequency of 206. Hz. The next higher harmonic has a frequency of 309. Hz. How long is the pipe
Explain how much distance is between you and the deer when you come to a stop? What is the maximum speed you could have and still not hit the deer?
The value of F B. ds along closed path in a magnetic field is given by 6.28 X 10 T.m. What is the total current that passes througn this closed path?
Two point charges 3.0cm apart have an electric potential energy -130?J, find the lesser and greater charge
A football punter accelerates a football from rest to a speed of 13 m/s during the time in which his toe is in contact with the ball (about 0.20 s). what average force does the punter exert on the ball
What is the specific heat capacity of other substance.
A spring loaded toy is used to shoot a 3g ping pong ball straight up against air. What is the work done by air resistance
A 15.5kg object moving in the +x direction at 7.0m/s collides head-on with a 11.0kg object moving in the -x direction at 6.0m/s, Find the final velocity of each mass if the objects stick together
On a cello, the string with the largest linear density (1.54 10-2 kg/m) is C string. This string produces a fundamental frequency of 63.4 Hz and has the length of 0.795 m between the two fixed ends. Find tension in the string.
When a person inhales, air moves down the bronchus (windpipe) at 15 cm/s. The average flow speed of the air doubles through a constriction in the bronchus.
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