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A projectile is fird with an inital speed ofvi=20m/s at an angle θ=30o with the horizontal. Find
a. the values of vxi and vyi.b. The horizontal and vertical components of the velocity whenthe projectile reaches maximum height.c. The time taken by the projectile to reach its maximumheight.d. The maximum height reaached by the particle.e. The total time taken by the projectile to reach the ground(time going up plus time going down)f. Range of projectile
A circular coil (980 turns, radius = 0.043 m) is rotating in auniform magnetic field. At t = 0 s, the normal to the coilis perpendicular to the magnetic field. At t = 0.013 s,the normal makes an angle of 45o with the field becausethe coil has made ..
A particle with a charge of +8.7 ?C and a speed of 45 m/s enters a uniform magnetic field whose magnitude is 0.35 T. find the magnitude of the magnetic force on the particle
A uniform solid disk of mass m = 3.05 kg and radius r = 0.200 m rotates about a fixed axis perpendicular to its face with angular frequency 5.97 rad/s. Calculate the magnitude of the angular momentum of the disk
Water is drawn from a well in a bucket tied to the end of a rope whose other end wraps around a solid cylinder of mass 50 kg and diameter 25 cm. what is the angular acceleration of the 50-kg cylinder
A mortar crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How long will the mortar shell remain in the air
to focus a camera on objects at different distances, theconverging lens is moved toward or away from the film, so a sharpimage always falls on the film. over what distance must the lens be movable
a 0.40kg ball is suspended from a spring with spring constant 12 N/m. what is its maximum speed while it oscillates
One side of the roof of a building slopes up at 37.0°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child.
In a cyclotron (one type of particle accelerator), a deuteron (of atomic mass 2.00 u) reaches a final speed of 11.0% of the speed of light while moving in a circular path of radius 0.475 m. What magnitude of force is required
A pair of speakers separated by 0.7 m is driven by the same oscillator at a frequency of 674Hz. An observer, first positioned at one of the speakers, begins to walk along a line perpendicular to the line joining the speakers. (Assume the speed of ..
A hollow metal sphere has inner radius a, outer radius b, and conductivity sigma. Evaluate the electric field strength at the inner surface of a copper sphere if 0.70cm and 28A
A 10 kg block of metal is massed on a spring scale in air. What is the desnity of the metal
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