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A screen is placed a distance d = 42.0 cm to the right of a small object. At what two distances to the right of the object can a converging lens of focal length +7.00 cmbe placed if the real image of the object is at the location of the screen?
(Hint: Use the thin lens equation in the form s' = sf s - f , so s'(s - f) = sf. Write s' = d - s and solve for s in the resulting quadratic equation.) I know the distances are 8.875 and 33.124 but i do no not what the smallest value of d can be to have the image formed on the screen.
A snowboarder of mass 73 kg slides down the trail shown in the figure below. The first part of the trail is a ramp that makes an angle of 29° with the horizontal, Find the work done by gravity on the snowboarder
The density of a certain metal solid is 7.2 x 10 ^ 3 kg/m^3, What is the speed of sound in this metal
A 0.04 m2 rectangular loop consists of 80 turns and carries a current of I = 5.2A. A 2.6-T magnetic field is directed perpendicular to the plane of the loop. If the loop is free to rotate about an axis parallel to the plane of the loop and passes dur..
In many cars, the passenger's side mirror has the following warning "Objects in mirror are closer than they appear" embossed on the mirror surface. What is focal length of passengers mirror
You use a spring (K=89N/m) to pull a 45kg box across the rough floor (μ=0.13). The spring stretches 3m. What is the horizontal acceleration of the box
The resistance and the magnitude of the current depend on the path that the current takes. The drawing shows three situations in which the current takes different paths through a piece of material. Each of the rectangular pieces is made from a mat..
the radius of a park merry-go-round is 2.2m. to start itrotation you warp a rope around it and pull with a force of 260 Nfor 12 s. what is the moment of inertia of the merry-go-round
A water filled manometer is used to measure the pressure in air filled tank. One leg of the manometer is open to atmosphere. For a measured manometer deflection of 250 cm of water, determine the tank static pressure. Barometric pressure is 101.3 KPa ..
A speed boat is moving across the surface of a lake. At t_1=0 with the components of its velocity are V_x= 25 m/s and V_y= -10 m/s. At T_2=15s the components are V_x= 12 m/s and V_y= -21 m/s. What are the components of the average acceleration for th..
A simple pendulum of length 0.8 m swings such that the pendulum reaches the maximum speed in the positive direction at a time of 0.3 seconds. At 0.4 seconds, the pendulum is at an angle of 0.05 radians. Assuming a solution of the form theta (t) = A c..
Regarding the Earth and a cloud layer 700 m above the Earth as the "plates" of a capacitor, calculate the capacitance of the Earth-cloud layer system. What is the maximum charge the cloud can hold
A World War II bomber flies horizontally over level terrain, with a speed of 279 m/s relative to the ground and at an altitude of 2.94 km. How far does the bomb travel horizontally
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