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A Projectile is fired with an initial velocity of 60 m/s at an angle of 379 to the horizontal. Assuming there is no friction,
(a) what is the maximum height of the projectile?
(b) what is the horizontal range of the projectils?
(c) what is the total time in the air?
Obtain an expression for the velocity
A scuba tank has a volume of cm2. For every deep dives, the tank is filled with (by volume) pure oxygen and 50% pure helium. What is the ratio of the rms speeds of the two types of molecules
Without slowing down, she skis off the cliff and lands downhill at a point whose vertical distance is 3.50 m below the edge. Explain how fast is she going just before she lands?
A burglar alarm in a house emits sound at a fixed frequency of 3.1 kHz. On a windy day a person cycles past the house while the alarm is sounding. What frequency does the cyclist hear
what is the frequency of vibration of the string. If the shot was launched from 6.00 f above the ground at an initial angle of 42.0 degrees , what was its initial speed.
A 1.0-kg block of ice is initially at 0°C. Heat is added to this system, and the entropy is increased by 357.1 J/K. How much of the ice melts
A string is stretched between fixed supports separated by 75.0 cm. It is observed to have resonant frequencies of 288.0 and 384.0 Hz, What is the lowest resonant frequency for this string
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
Two lightweight rods 24 {rm cm} in length are mounted perpendicular to an axle and at 180 ^circ to each other. At the end of each rod is a 480 {rm g} mass. The rods are spaced 42 {rm cm} apart along an axle. The axle rotates at 4.90 rad/s.
A cube has sides of length = 0.320 . It is placed with one corner at the origin. The electric field is not uniform but is given by -4.95 2.17 .Find out the electric flux through each of the six cube faces.
An unknown material has a normal melting/freezing point of -26.3° C, and the liquid phase has a specific heat capacity of 160 J/(kg · C°). What is the latent heat of fusion of the unknown material
For the real or imaginary nucleus of 83X^193, find the net electrical charge of the nucleus and the number of nucleons
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