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A projectile is red with an initial speed of 65:2 m/s at an angle of 34.5 degrees above the horizontal on a long at ring 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).
(d) The velocity of the projectile 1.50 s after firing.
In a simple model of the hydrogen atom an electron orbits a proton at 2.18 x 10^6 m/s in a circle radius 5.29 x 10^ -11 m. Find the magnitude of the electron's angular momentum
In the figure below, the converging lens' focal length is 13 cm, d = 18 cm, and the diverging lens' focal length is -12.6 cm, How tall is the image formed by the diverging lens
R 134a flows at steady state through a horizontal pipe havingan inside diameter of 4 cm, entering as saturated vapor at -8degrees C with a mass flow rate of 17 kg/'min. Refrigerant vaporexits at a pressure of 2 bar.
What angular resolution would you need to see the Sun and Jupiter as distinct points of light if you were looking at it from 15 light years away
What is the value of g at the location of this satellite. Discover the altitude of the satellite in meters.
One end of a brass bar is maintained at 300°C, while the other end is kept at a constant but lower temperature. What is the temperature of the bar at a point 0.15 m from the hot end
The magnitude of a magnetic field a distance 0.0001 m from a wire is 11.0*10^4 T. How much current is flowing through the wire
When the Sun is directly overhead, a hawk dives toward the ground with a constant velocity of 4.75 m/s at 59.5° below the horizontal, Calculate the speed of her shadow on the level ground
A photon of wavelength 0.50801 nm strikes a free electron that is initially at rest. What is the speed of the recoil electron after the collision
A 35-kg child is holding for dear life on a playground merry-go-round that has a radius of 2.5m and is turning at a rate of one turn every 5 seconds. What's is the child's acceleration relative to the ground
The objective lens of the refracting telescope at the Lick Observatory in California has a focal length of 57 ft. What is the refractive power of this lens
A tennis player standing 10.7 m from the net hits the ball at 2.50° above the horizontal. how fast was the ball moving when it left the racquet
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