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Q. Calculate the kinetic energy acquired by a 11 kg nail when it is struck by a 530 kg hammer moving with an initial speed of 4.4m/s.
Q. A radar station locates a sinking ship at range 15.5 km and bearing 136° clockwise from north. From the same station, a rescue plane is at horizontal range 19.6 km, 147° clockwise from north, with elevation 2.25 km.
(a) Write the displacement vector from plane to ship, letting ihatbold represent east, jhatbold north, and khatbold up.
(b) How far apart are the plane and ship?
What are the components of displacement vector from camp to summit? What is its magnitude? Decide the x axis east, y axis north, and z axis up.
The latent heat of fusion
What was the absorbed dose in the carbon walls? The average mass stopping powers of graphite and CO2 for the photons are, respectively, 1.648 and 1.680 MeV cm^2/g.
At what distance from a backstop will a package need to be placed depending on its weight and knowing it has to hit the backdrop at a velocity of 66 in/sec on a 11 degree angle. What is distance for every 5 lbs of package weight.
A 23 gram bullet traveling 230m/s penetrates a 2kg block of wood and emerge clearly at 170m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after bullet emerges.
Two pellets, each with charge 5 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m apart. What is electrical force between the charges.
Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Determine the volume of each cube.
A model rocket is launched straight upward with an initial speed of 47.8m/s. It accelerates with a constant upward acceleration of 2.07m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by rocket.
If air resistance & other effects are ignored how far away did the shell hit.
A bar AB of negligible mass and length 2 m balanced at its midpoint a 4 kg and 5 kg masses are suspended from both ends. A 4 kg mass is 0.4m away from the midpoint. At what point the mass of 5 kg is suspended to a bar keep the balance.
Outline what you know about Plasmonics? Outline what you know about Raman spectroscopy and surface enhanced Raman spectroscopy?
Because the mass would not make it around the loop if released from the height of the top of the loop (do you know why?) it should be released above the top of the loop-the-loop height.
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