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A transparent photographic slide is placed in front of a converging lens with a focal length of 2.33 cm. An image of the slide is formed 11.4 cm from the slide.
(a) How far is the lens from the slide if the image is real? (Enter your answers from smallest to largest starting with the first answer blank. Enter NONE in any remaining answer blanks.)
(b) How far is the lens from the slide if the image is virtual? (Enter your answers from smallest to largest starting with the first answer blank. Enter NONE in any remaining answer blanks.)
The oxygen taken in by the body reacts with fats, carbohydrates, and protein, liberating energy internally at a rate of about 1.96×104 J/Liter. what is his rate of oxygen consumption
You are running toward an approaching marching band. You are moving at 9.3 m/s and the band is moving at 2.7 m/s
A circular loop of wire lies in the plane of the paper. An increasing magnetic field points out of the paper. What is the direction of the induced current in the loop?
A laser beam of unknown wavelength is incident on a single slit of width 0.25 mm and forms a Fraunhofer diffraction pattern on a screen 2.0 m away. The width of the central bright fringe is measured to be about 7 mm.
Use the following values for mass and charge: an electron has mass me = 9.11×10-31 kg and charge -e, What is the kinetic energy of the electron in units of eV
A circular loop of flexible iron wire has an initial circumference of 169cm, but its circumference starts to decrease at a constant rate of 10.0cm/s due to a tangential pull on the wire. What is the direction of the induced current in the loop
An object has a kinetic energy of 303 J and the momentum of magnitude 22.9 kg·m/s. Find the speed and the mass of the object.
A box weighing 200 N is dragged across a gravel surface with an applied force of 100 N. What is the net forward force on the box
A 39.6-kg boy, riding a 2.33-kg skateboard at a velocity of +5.07 m/s across a level sidewalk, find the skateboard's velocity relative to the sidewalk at this instant
A horizontal force of magnitude 46.1 N pushes a block of mass 3.64 kg across a floor where the coefficient of kinetic friction is 0.554. find the increase in the kinetic energy of the block
The highest barrier that a projectile can clear is 14.5 m, when the projectile is launched at an angle of 13.0° above the horizontal. What is the projectile's launch speed
A 5 kg toy race car can move along an x axis. It gives Fx of the force acting on the car, that begins at rest at time t = 0. (The vertical axis is marked in increments of 2.5 N.) what is the momentum at t=6?
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