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Q1. A 2.75-mm-tall object is 8.0 cm to the left of a convex lens of 5.7 cm focal length. Find the image position and height.
Q2. A 29.0-kg body is moving in the direction of the positive x axis with a speed of 398 m/s when, owing to an internal explosion, it breaks into three pieces. One part, who's mass is 8.5 kg, moves away from the point of explosion with a speed of 319 m/s along the positive y axis. A second fragment, who's mass is 3.4 kg, moves away from the point of explosion with a speed of 418 m/s along the negative x axis. What is the speed of the third fragment? Ignore effects due to gravity.
Using the equation F=m v^2/r for a force an object in circular motion. Find the radius r of motion of a m=1.6 kg ball travelling in a circular path acted upon by a centripetal force F=7N.
Calculate the threshold wavelength, in nm, of a metal if that metal emits an electron with a kinetic energy of 6.32 × 10-19 J when illuminated with light that has a frequency of 1.97 × 1015 Hz.
A spaceship moves past you at speed v. You calculate the ship to be 364 m long, whereas an astronaut on the ship measures a length of 420 m. Find v.
What is the turntables angular speed as the block
An aerosol can of whipped cream is pressurized at 440kPa when it's refrigerated at 3 C. The can warns against temperature in excess of 50 C. What is the safest pressure for the can .
What is the magnitude of an average acceleration of the ball
Eight identical, non-interacting particles are placed in a cubical box of sides L = 0.2 nm. Find the lowest energy of the system (in electron volts) and list the quantum numbers of all occupied states if (a) particles are electrons and (b) particles..
What would be the radius of curvature of the cornea
Explain functionalism, conflict theory and interactionism
Outline what you know about Plasmonics? Outline what you know about Raman spectroscopy and surface enhanced Raman spectroscopy?
Find distances between the lens and the film
At what angle of incidence will green light (g = 560 nm) be most strongly reflected? Imagine the film has the minimum thickness that can produce these reflections.
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