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A sugar solution with n=1.42 contains an air bubble of radius 1.00cm. Where is the image of a sugar crystal 3.00 cm from the bubbles surface when viewed through the center of the bubble? Does the bubble behave like a converging or diverging lens?
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, What was the bear's average speed
The 9 inch long elephant nose fish in the Congo River generates a weak electric field around its body using an organ in its tail. How many electrons would be required to create that charge
A wooden block with m1 = 3.1kg is sliding across a frictionless surface in the ?x direction at 5.2 m/s. What is the velocity of the m2 block in the lab frame after the collision
The temperature of the eardrum provides a reliable measure of deep body temperature and is measured quickly with ear thermometers that sense infrared radiation. How long does the measurement take
A machine carries a 5.0 kg package from an initial position of di = (0.50 m) i + (0.75 m) j + (0.20 m) k at t = 0 to a final position of df = (7.80 m) i + (13.0 m) j + (7.30 m) k at t = 15 s. find the power of the machine's force on the package
A hot-air balloon is ascending at the rate of 14 m/s and is 57 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? (b) With what speed does it hit the ground?
The average intensity of sunlight at the top of the earth's atmosphere is 1385 W/m2. What is the maximum energy
One component of a magnetic field has a magnitude of 0.070 T and points along the +x axis, Find the magnitude of the net magnetic force that acts on the particle
A mail bag with a mass of 120 is suspended by a vertical rope of length 8.00. How much work is done by the worker in moving the bag to this position
A concert loudspeaker suspended high off the ground emits 42 W of sound power. A small microphone with a 1.0 cm2 area is 43 m from the speaker. (a) What is the sound intensity at the position of the microphone
A photon emitted as a hydrogen atom undergoes a transition from the n = 5 state to the n = 2 state. The energy of the ground state is 13.6 eV. Find the frequency of the emitted photon
What is wave speed
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