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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. a camera with a telephoto lens(f=200.0mm) is to be focused on an object located first at adistance of 3.5 m and then 5.0 m. over what distance must the lens be movable?
A particle moving along a 2-d x-y plane has its velocity described by the functions: Vx=2t^2, what is the acceleration of the particle
An underwater scuba diver sees the Sun at an apparent angle of 28.0° from the vertical. What is actual direction of the Sun
If Galileo dropped a 2.37 kg cannon ball from the 58.5m Tower of Pisa, how much work did gravity do on the ball
Identify the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.
Superman attemps to drink water through a very long straw. With his great strength, Find the maximum height through which he can lift the water
If the tension in a guitar string is increased by 20%, by what percentage does the wave speed increase? Harmonic waves are produced by a source that isoscillating in SHM. Which one of the following statements is correct concerning harmonic waves?
A charged particle enters a uniform magnetic field and follows the circular path shown in the drawing. The particle's speed is 115m/s, the magnitude of the magnetic field is 0.719 T, and the radiusof the path is 656 m. Determine the mass of the parti..
A satellite orbits at a distance from the Earth's center of about 4.80 Earth radii and takes 14.8 hours to go around once, What is its orbital velocity
Find out the tension in the strap, given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.40.
A 50 kg rock climber accidentally falls from the side of a rock and freefalls until she is stopped by her 9 m saftey rope. what was the average force felt by the rock climber
A proton moves through a magnetic field at 31.5% of the speed of light. what is the magnitude of the magnetic force acting on the proton
A projectile is fired horizontally from a gun that is 52.0 m above flat ground. The muzzle velocity is 215 m/s. What is its speed as it strikes the ground
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