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A projectile is fired with an initial speed of 65.2 m/s at an angle of 34.5 degrees above the horizontal on a long flat firing range. Determine
(a) the maximum height reached by the projectile,
(b) the total time in the air,
(c) the total horizontal distance covered (that is, the range), and
(d) the velocity of the projectile 1.50 s after firing. Show all work, please!
Heavy rains have flooded your professor's basement to a depth of 6 cm. This basement is 12 m by 10 m in area. find the speed of the stream of water leaving the hose
When an atom emits a photon in a transition from a state of energy E1 to a state of energy E2, Evaluate this recoil energy for the n = 2 to n = 1 transition of hydrogen.
A circular coil having an area of 24 cm^2 is plaved in a uniform magnetic field of 0.60T, which is derected vertically upward. Find the magnitude of the magnetic flux contained in the coil
What is the equilibrium temperature of this system? The average specific heat of aluminum over this temperature range is 653 J/(kg*K), determine the amount of water that has frozen
A 12.0-V battery produces 205mA when it's across a 47.5? load, Find the potential difference across the battery's terminals
A toy car X of mass .200 kg moves along a frictionless surface with a velocity of .180 m/s. It collides with another toy car Y, with the mass .250 kg and a speed of .130 in the same direction.
Four equal point charges of +3.0 uC are placed in air at the our corners of a square that is 40cm on a side. find the force on any one of the charges
The Superconducting magnet for the experimental MRI studies at a laboratory is a 1 m long solenoid of 60 cm diameter, What is the inductance of the magnet?
A uniform rod of mass 3.05×10?2kg and length 0.350m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the rod after the rings leave it
A student ate a Thanksgiving dinner that totaled 3000Cal . He wants to use up all that energy by lifting a 30-kg mass a distance of 1.0 m. How many times must he lift the mass
According to Equation 20.7, an ac voltage V is given as a function of time t by V = Vo sin 2ft, what is the smallest value of the time at which the voltage equals one-half of the peak-value
A current of 22.0 mA is maintained in a single circular loop of 1.90 m circumference. A magnetic field of 0.830 T is directed parallel to the plane of the loop. Calculate the magnetic moment of the loop
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