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A projectile is launched at some speed at an angle of15 degrees above the horizontal. It's range is at15 degrees is 58 meters. If the projectile is launched at the same speed at75 degrees, what is its range in meters?
a police camera is designed to read the plate number on a speeding car. what is the diameter of the camara's aperture
(a) What is the amplitude of the oscillations? What were the (b) position and (c) velocity of the block at t = 0 s?
A bowling ball of mass 7.20 kilogram and radius 10 centimeter rolls without slipping down a lane at 3.50 m/s. Compute its total kinetic energy
a steel wire has a diameter of 0.57mm and is 1.5m long. what tension is required to produce an extension of 1.5mm in
Point charges of 43.0 µC and 28.0 µC are placed 0.500 m apart. At what point along the line connecting them is the electric field zero? What are the magnitude and direction of the net electric field halfway among them?
a car starting at x 75m accelerates from rest at a constant rate of 3.35ms2. after 4.40s its velocity is 14.74ms. its x
A 66-N ? m torque acts on a wheel with a moment of inertia 175 kg ? m2. If the wheel starts from rest, how long will it take the wheel to make one revolution
the current in an rl circuit builds up to one-third of its steady-state value in 3.80 s. find the inductive time
A beam of protons moves in a circle of radius 0.25m. The protons move perpendicular to a 0.23T magnetic field. What is the speed of each proton? 5.5x10^6 m/s is the answer
Interstellar reddening of a stars blackbody spectrum can complicate the estimation of a star's temperature by distorting the blue (short wavelength) end of a star's spectrum. Describe the cause and how this reddening occurs.
What is first order diffraction angle of light
A plane is flying horizontally with speed 158 m/s at a height 5810 m above the ground, when a package is dropped from the plane. What is the horizontal distance traveled by this package
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