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Superkid, finally fed up with Superbully\'s obnoxious behaviour, hurls a 1.95-kg stone at him at 0.547 of the speed of light. How much kinetic energy do Superkids super arm muscles give the stone?
question1a small object with the mass of 380 mg carries a charge of 35.0 nc and is suspended by a thread between
A 16.8 kg block is dragged over a rough, horizontal surface by a constant force of 123 N acting at an angle of angle 34.9 above the horizontal. Find the magnitude of the work done by the force of friction
Two trains on separate tracks move toward each other. Train 1 has a speed of 127 km/h; train 2 a speed of 80.0 km/h. What is the frequency heard by the engineer on train 1
A boat with a horizontal tow rope pulls a water skier. how much work does the rope do on the skier during a forward displacement of 270m
A piano wire with mass 2.65g and length 79.0cm is stretched with a tension of 34.0N. Calculate the average power carried by the wave
A 14.0 kg block of metal measuring 12.0 cm x 10.0 cm x 10.0 cm is suspended from a scale and immersed in water. find the forces acting on the top and on the bottom of the block
The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile. Find out the maximum altitude reached by the rocket.
Block A sits on a table and is in thermal equilibrium with the table. The internal energy of block A is 100 J. Block B sits on the same table and is also in thermal equilibrium with the table.
The pilot of an aircraft wishes to fly due west in a 33.10 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190 km/h what must its speed relative to the ground be.
find at least five internet or magazine articlesadvertisements which depict an exercise or health myth. why do you
A note on a piano has a frequency of 440 Hz. If the tension in the 0.50-m-long string is 485 N and one-half wavelength occupies the string, what is the mass of the string
20.0 kg floodlight in a park is supported at the end of ahorizontal beam of negligible mass that is hinged to a pole. find the horizontal and vertical forces exerted on the beam by the pole
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