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An object is placed in front of a converging lens in such aposition that the lens (f = 13.6 cm) produces a real imagelocated 20.7 cm from the lens. Then, with the object remaining inplace, the lens is replaced with another converging lens(f = 19.4 cm). A new, real image is formed. What is the image distance of this new image?
q1. a point charge q1 -8.9 muc is located at the center of the thick conducting shell of inner radius a 2.2 cm and
An astronaut with a steady heartbeat of 57 beats per minute travels at a constant speed of 0.91c, relative to earth. what was the heart rate
A sinusoidal wave traveling in the positive x-direction has an amplitude of 15cm, a wavelength of 40cm, Write down the wave function for a left traveling wave with the same parameters
A car of mass 9.50×102kg and a truck of mass 3.00×103kg run into one another due to ice on the road. Calculate the size of the force on the car due to the truck at that time
What would be the equilibrium temperature when a 256 g block of copper at 314 °C is placed in a 140 g aluminium calorimeter cup containing 827 g of water at 11.5 °C.
Consider two dipoles, p1, oriented along z at the origin, and p2 oriented along x at a distance r in the x-y plane. Given that the torque on a dipole in a field E can be written N=p cross E, find the torque on each dipole about its centre.
A small boat is headed for a harbor 34 km directly northwest of its currentposition when it is suddenly engulfed in heavy fog. The captainmaintains a compass bearing of northwest and a speedof 10.8 km/h relative to thewater.
An un-tethered block sits on a flatbed truck as it accelerates up an incline that makes an angle of 15° with respect to the horizontal. What is the coefficient of static friction between the truck and the block
A 45 cm diameter circular loop of wire is in a 0.525 T magnetic field oriented perpendicular to the plane of the loop. what is the average induced emf
An explosion breaks an object into two pieces, one of which has 1.5 times the mass of the other. how much kinetic energy did each piece acquire
A mini-fridge needs to maintain a temperature of 277 K. The air outside the mini-fridge has a temperature of 292 K. What is the power output (that is, the work done per second) of the compressor in the mini-fridge
question1consider a thin rod of mass 1.4 kg length 2.7 m and uniform density. the rod is pivoted at one end on a
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