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A battleship simultaneously fires two shells toward two identical enemy ships. One shell hits ship A, which is close by, and the other hits ship B, which is farther away. The two shells are fired at the same speed. Assume that air resistance is negligible and that the magnitude of the acceleration due to gravity is .
Now, consider that both shells are fired at an angle greater than 45 degrees with respect to the horizontal. Remember that enemy ship A is closer than enemy ship B
A) Which shell reaches the greater maximum height?
B) Both shells reach the same maximum height.
A string on a violin is stretched between two points 20.0 cm apart with a tension of 120 N. The total length of the string is 31 cm and it has a mass of 0.62 grams. The frequency of the third harmonic is?
In diving to a depth of 133 m, an elephant seal also moves 664 m due east of his starting point. What is the magnitude of the seal's displacement
use the biot savart to compute the magnetic field at the center of a matalic ring. the ring has a radius of 10^-6 m, compute the magnetic field at the center of the ring
Neutron-induced fissionof U-235 results in the fission products iodine-139 and yttrium-95. How many neutons are released
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.46 km. What is the magnitude of the couple's displacement
A television is tuned to a station broadcasting at a frequency of 6.30×10^7Hz. Find the optimum length of the antenna
a woman can read the newspaper if it is held no closer than 57.2 cm from teh eye. what should the focal length of a
Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.65 105 Pa, Find the volume flow rate through the pipe
An unknown piece of material with a mass of 5.1 kg and density of 1422 kg/m^3 is suspended from a string and then completely immersed in a container of water. Determine the volume of the piece of material
Two strong magnets on opposite sides of a small table are shown.The long-range attractive force between the magnets keeps the lowermagnet in place. Suppose the weight of the table is 28.6 N,the weight of each magnet is 3.81 N, and the magnetic for..
The volume of an ideal gas is held constant. Determine the ratio P2/P1 of the final pressure to the initial pressure
A dentist's chair of mass 234.0 kg is supported by a hydraulic lift having a large piston of cross-sectional area 1596.0 cm2. What force must be applied to the small piston
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