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The Chicago Bears kicker is attempting a field goal. He is 45 meters away. If he kicks the ball with an initial velocity of 26 m/s at an angle of 40? above the field, and the field goal cross-bar is 3 meters high, will he make the field goal and why?
the engine of a small aircraft m 1400 kg including pilot develops 180 hp. the airplanes speed is increased from 30 ms
A spherical, non-conducting shell of inner radius r1= 20 cm and outer radius r2= 25 cm carries a total charge Q = 25 µC distributed uniformly throughout its volume. What is the electric field at a distance r= 22 cm from the center of the shell.
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.360mm wide. What is the width of the first bright fringe on either side of the central one
A system undergoes a two-step process. In the first step, the internal energy of the system increases by 228 J, What type of process is the overall process
q1. an iron plate 30 cm thick is magnetized to saturation in a direction parallel to the surfaces of the plate. a 20
In a popular amusement park ride, a rotating cylinder of radius3.00 m is set in rotation at anangular speed of 6.00 rad/s, as inFigure P7.51. The floor then drops away, leaving the riderssuspended against the wall in a vertical position. What mini..
A bicyclist travels in a circle of radius 29 meter at a constant speed of 5 m/s. The bicycle-rider mass is 76 kilogram. Find the magnitude of the net force on the bicycle from the road
The angular speed of a propeller on a boat increases with constantacceleration from 10.9 rad/s to 24.0 rad/s in 2.20 revolutions. What is the acceleration of the propeller
A 100kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30 below the horizontal. The coefficient of kinetic friction is 0.20. What must be the magnitude of P, so that the net work completed by it and the kinetic..
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 85.3°. Find the dispersion of the slab
Two lasers, one red (with wavelength 633.0 nm) and the other green (by wavelength 532.0 nm), are mounted behind a 0.150-mmslit. On the other side of the slit is a white screen. When the red laser is turned on, it creates a diffraction pattern on the ..
Determine the resultant velocity of an airplane that normally flies at 200 k/h if it encounters a 50 km/m tailwind if it encounters a 50 km/h headwind
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