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The image of a tree on a 35 millimeter color slide is 1.9 millimeter high. It is to be projected onto a screen 10 meter from the slide, and is to appear 370 millimeter high.
(a) Find what focal length lens is needed?
(b) Determine the distance in meters between the lens and the slide?
(c) Evaluate what is the magnification of the system?
The boiling point of liquid hydrogen is 20.3 K at atmospheric pressure. What is this temperature on the Fahrenheit scale?
A steel wire is strung between two supports attached to aceiling. Initially, there is no tension in the wirewhen it ishorizontal. What is the radius of the wire
A screen is placed 1.0 meter away from the slits. Initially, you measure the interference pattern from the 2 slits on the screen. You then place the guanine film directly behind one of the slits, Determine the thickness of the guanine film
"A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vertical axle during the center of the disk. The platform has a radius of 1.10 m and a rotational inertia of 486 kg * m^2about the axis of rotation.
The electric field at a distance of 0.148m from the surface of a solid insulating sphere with radius 0.367m is 1690N/C, Calculate the electric field inside the sphere at a distance of 0.217m from the center
a childs toy consists of a toy car of mass 0.100kg which is able to roll without friction on the loop-the-loop track
Calculate the total amount of time that the ball is in the air, from drop to catch.
The mass of the blue puck shown below is 25.0% greater than the mass of the green puck. Before colliding, the pucks approach each other with momenta of equal magnitudes and opposite directions, and the green puck has an initial speed of 7.0 m/s. Find..
Find the tension in each of the two ropes supporting a hammock if the first one is at an angle of 13.5° above the horizontal and the second is at anangle of 35.4° above the horizontal. The person sleeping in the hammock (unconcerned abouttensions ..
the youngs modulus for a prosthetic material is 20 gpa. a 2 cm long sample of this material is circular in cross
A lead block is suspended from the underside of a 0.5 kg block of wood of density of 728 kg/m3. what is the mass of the lead block
You are playing raquetball at the rec center. When you are 10 m away from the wall you hit a ball 24 m/s towards the wall at an angle of 30 degrees. How high above the launch point does the ball hit the wall
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