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A projectile is launched from a 300 m high cliff at an angle of 30 degree with an initial velocity of 150 m/s. (g=9.8m/s^2). Begin by drawing a diagram and determine: a) The total time of the flight b) The horizontal velocity of the rocket on impact with the ground. c) The vertical velocity of the rocket on impact with the ground. d) The horizontal distance to the impact location from the edge of the cliff e) Magnitude of the velocity on impact f) Direction of the velocity on impact (angle with horizontal).
1. a spring with negligible mass stretches 34.0 cm when a 144 g gram mass is suspended from it. now inbspsuspend a
Consider the decay: 24 Cr 55 -> 25 Mn55 + e, The Cr 55 nucleus has a mass of 54.9279 u, find the maximum kinetic energy of the emitted electrons
the number of radioactive nuclei present at the state of an experiment is 2.78e15. the number present twenty days later is 5.14e14. what is the half life in days of the nuclei
At time t = 0, a projectile is launched from ground level. At t = 2.00 s, it is displaced d = 56 m horizontally, what is its horizontal displacement D from the launch point
The refracting telescope at the Yerkes Observatory has a 1.00-m diameter objective lens of focal length 20.0 m. Assume it is used with an eyepiece of focal length 1.90 cm. (a) Determine the magnification of Mars as seen through this telescope.
the diameter of the vessel is 5.6 mm. In a 0.60-T magnetic field illustrate what is the magnitude of the voltage that is measured with the electrodes in the drawing?
In the Bohr model of hydrogen, the electron moves in a circular orbit around the nucleus. Determine the angular speed of the electron
A lens for a 35-mm camera has a focal length given by f = 40mm. What is the magnification of the image on the film
A crate of mass 12.5 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100 N parallel to the incline, How much mechanical energy is lost due to friction
It is possible to produce artificial gravity on a space station by having the station rotate. Explain how this would work. What would be some benefits and drawbacks to this approach?
A piano emits sound waves with frequencies that range from a low of about 28 Hz to a high of about 4,200 Hz. The speed of sound in air is approximately 343 m/s. find the longest wavelength of sound produced by a piano
Two points are given in polar coordinates by (r,?) = (3.0 m , 40.0°) and (r,?) = (5.0 m, -40.0°), respectively. What is the distance between them
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