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Please answer all parts providing detailed explanations or complete calculations. A clear and well-drawn sketch please.
A compelling demonstration of an optical surprise uses a curved mirror to project a real image of a lit bulb (upside down and hidden from class view by a box) on top of a lit bulb (rightside up and on top of the box). *image is attached*
(a) Where do you have to place the box in order to have the image appear right on top of the unlit bulb? The focal length of the mirror is 10 cm. The box with the bulbs is shown at the right in the figure below, ready to be slid to the left to the appropriate position.
(b) How big will the image of the lit bulb be compared to the size of the lit bulb? That is, how big should we make the unlit bulb so that it is the same size as the image of the lit bulb?
(c) On the figure below, sketch the correct position of the lit bulb and draw a ray diagram to confirm your calculation.
A plane, diving with constant speed at an angle of 52.0 degree with the vertical, releases a projectile at an altitude of 790 meter. Compute how far did the projectile travel horizontally during its flight
A box of 25 kg is pushed horizontally, with a force of 200 N, up a 37o (with respect to the horizontal) frictionless incline. What is the acceleration of the box
Sam, whose mass is 76.0 , takes off down a 52.0 high, 10.0 slope on his jet-powered skis. The skis have a thrust of 200 . Sam's speed at the bottom is 40.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
an electric circular saw is designed to reach its final angular speed starting from rest in 1.40 s. its average angular
the distance between the slits in a young's experiment is 50times the wavelength of the monochromatic light source. Find theangle in radians at which the first bright occurs
A motor has a single loop inside a magnetic field of magnitude 0.581 T. If the area of the loop is 305.0 cm2, find the maximum angular speed possible for this motor
A ball traveling in a circle with a constant speed of 3 m/s has a centripetal acceleration of 4 m/s2. What is the radius of the circle
A copper washer is to be fit in place over a steel bolt. Both pieces of metal are at 29.7°C. to what temperature must the washer be raised so it will fit over the bolt
Riders in an amusement park ride shaped like a Viking ship hung from a large pivot are rotated back and forth like a rigid pendulum. Find the speed of the riders at the bottom of its arc
A copper wire 89.1 cm long and 1.05 mm in diameter have a mass of 6.07 g. Discover the number of electrons in the wire. (Copper has an atomic number of 29; that is, there are 29 protons in the Copper atom. Copper's atomic mass is 63.5.)
How far from the equilibrium position is the block when the kinetic energy of the block is three times the potential energy of the system?
Two surfaces of a 2-cm-thick plate are maintained at 0°C and 80°C, respectively. If it is determined that heat is transferred through the plate at a rate of 500 W/m2, determine its thermal conductivity.
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