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-A child is playing with a pair of glasses with diverging lenses. The focal length is 20 cm from the lens and his eye is 5 cm from the lens. A parent looks at the child's eye in the lens. If the eye is the object, where is the image located?
- If his eye is really 3 cm across, how big does it appear?
A guitar string is vibrating in its fundamental mode, with nodes at each end. The length of the segment of the string that is free to vibrate is 0.388m. What is the wave speed for the transverse traveling waves on this string
A 2-kg book with no initial velocity slides down an inclined plane with an angle of 20 degrees a total of 2 meters. The force of friction does 10 Joules of work, what is the final kinetic energy of the system as the book reaches the bottom of the ..
a stone is thrown upwards from the edge of a cliff 18m high. It just misses the cliiff on the way down and hits the ground with a speed of 18.8m/s. what velocity was it released
At the beginning of 2013, an asteroid crashed in Russia, making for a very spectacular Youtube clip. determine the speed at which it crashed on the ground
Consider a simple cubic crystal structure with a cube edge a= 3.5x10^-10 m and suppose it is used to scatter 3.10x^-10 m x-rays, Find the Bragg angle theta
A train engine weighs 5 times as much as aflatbed car. If the engine coasts at 3 km/hr into the boxcarthat is initially at rest and becomes coupled to the boxcar, how fast do the two move after the inelastic collision?
Squid use jet propulsion for rapid escapes. A squid pulls water into its body and then rapidly ejects the water backward to propel itself forward. What acceleration is experienced by the water
An object is moving in a circular path of radius 3 meter and is experiencing a centripetal acceleration of 6 g's. Evaluate the linear speed of the object
An insulating sphere has a total excess charge Q distributed uniformly throughout the shere. Use Gauss's Law to calculate the electric field inside the sphere at a distance r
You need to show evidence of your learning from the previous lectures (Ancient Greek Civilization, Roman Empire, the rise of the Franks, Holy Roman Empire.
A minivan is tested for acceleration and braking. In the street-start acceleration test, elapsed time is 8.2 s for a velocity increase from 10 km/h to 100 km/h. In the braking test, the distance traveled is 44 m during braking to a stop from 100 k..
A 5.4 cm diameter circular loop of wire is in a 0.72 T magnetic field. The loop is removed from the field in 0.29 s . Assume that the loop is perpendicular to the magnetic field. Part A What is the average induced emf? Express your answer using tw..
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