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The image of a tree just covers the length of a plane mirror 3.60cm tall when the mirror is held 38.0cm from the eye. The tree is 24.0m from the mirror.
What is the tree's height?
An automobile having a mass of 1000 kg is driven into a brickwall in a safety test. What was the speed of the car before impact
Light of wavelength 650 nm is incident above at an angle of 90 upon a glass plate as shown below. The glass plate rests on top of a second plate so that they touch at one end and are seperated by .0325mm at the other end as shown in the figure.
An unstable particle is at rest and suddenly breaks up into two fragments. No external forces act on the particle or its fragments. One of the fragments has a velocity of +0.800c and a mass of 1.87 10-27 kg, while the other has a mass of 4.31 10-27 k..
You shine violet light through a diffraction grating (200 lines/cm) on a screen 2.0 m from the grating. The width of the light beam is 0.15 mm. How many slits will the light pass through
Two moles of an ideal diatomic gas have an initial pressure of 4:00 atm and initial volume of 16:0 L. What are the initial and final temperatures of the gas
Consider a rectangle which is constructed with the long side having a length L and the short side having a length 0. 5L. What is the linear speed of the outer edge when the rectangle is again vertical but now is straight down
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 small object is placed to the left of a convex lens and on the optical axis. evaluate the position of the image formed by the lens
An unknown substance has a mass of 0.125 kg and an initialtemperature of 95.0°C. calculate the specific heat of the unknown substance
An electron is fired into midpoint of a field between two charged plates. The initial velocity of the electron is 3.6 x 106 m/s The plates are a distance of 1.60 mmapart. The potential difference for the plates is120.0V.
A cannonball sits on top of a 10 meter cliff and is fired at a 10 degree angle with an initial velocity of 50 m/s. How long is the cannonball in the air
Suppose that the voltage of the battery in the circuit is 3.2 V, the magnitude of the magnetic field (directed perpendicularly into the plane of the screen) is 0.65 T, find the maximum speed attained by the rod after the switch is closed
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