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A hunter aims directly at a target ( on the same level ) 75 maway.
a) If the bullet leaves the gun at a speed of 180 m/s, by how much will it miss the target? ( ask for distance)
b) At what angle should the gun be aimed so that the bullethits the target?
A monatomic ideal gas is held in a thermally insulated container with a volume of 0.1000 m^{3}. The pressure of the gas is 110 kPa, and its temperature is 327 K.
A runner covers one lap of a circular track 40.0m in diameter in 63.3s. what were her average velocity(in m/s) for that half-lap
A meterstick (L = 1 m) has a mass of m = 0.133 kg. Initially it hangs from two short strings: one at the 25 cm mark and one at the 75 cm mark. find the tension in the left string right
two equally charged insulating balls each weigh 0.40 g and hang from a common point by identical threads 45 cm long.
Can the Sum of the torques on an object be zero while the net force on the object is nonzero? Explain. Can the Sum of the forces on an object be zero and the Sum of the torques non- zero
If you weigh 690 {rm N} on the earth, what would be your weight on the surface of a neutron star that has same mass as our sun and a diameter of 21.0 {rm km}.
question at 10 ft. the total pressure on the diver will be 1.3 atm. assuming the diver took a deep breath 6.0l in her
Consider an atom of sulfur (chemical symbol S), How many electrons does a neutral atom of sulfur have
A chair of weight 85.0N lies atop a horizontal floor; the floor is not frictionless. Using Newton's laws, calculate n, the magnitude of the normal force that the floor exerts on the chair
A spherical weather balloon is filled with hydrogen until its radius is 3.00 m. Its total mass including the instruments it carries is 15.0 kg. Find the buoyant force acting on the balloon, assuming the density of air is 1.29 kg/m3. N
A ball is thrown upward with an initial velocity of 96 ft/secfrom the top of a 100 ft building. What equation models the height of the ball as a functionof the time t? When will the ball attain its maximum height?
It requires 78.73 J of work to lift a rock to a height of 4.03 m. What is the mass of the rock
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