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A screen is placed 52.4 cm to the right of the converging lens. A diverging lens is placed between the converging lens and the screen. When the diverging lens is 24.6 cm to the right of the converging lens the image formed by the lens combination is located at the screen. What is the focal length f2 of the diverging lens?
A square, perfectly reflecting surface is oriented in space to be perpendicular to the light rays from the Sun, What is the radiation force on the surface from the light rays
Find the lowest energy of the system (in electron volts) and list the quantum numbers of all occupied states. Find when the current in the solenoid increases to 5.0 A in a period of 0.90 s.
A baseball is bunted down the third-base line leaving the bat from a height of 0.850m with an initial velocity of 4.00m/s at an angle of 37.87° above horizontal.
If the balls are released from a height where the bottom of the basketball is at 0.781m above the ground, what is the absolute value of basketball's momentum just before it hits the ground.
A uniform plank of length 5 m and weight 231 N rests horizontally on two supports, with d = 1.43 m of the plank hanging over the right support. To what distance, x, can a person who weighs 446 N walk on the overhanging part of the plank before it ..
A 62kg hiker starts at an elevation of 1500m and climbs to the top of a 3500m peak, What is the minimum work required of the hiker
The George Washington bridge, that spans the Hudson River between New York and Jersey, is 4670 feet long and is made out of steel, How much does it expand in length between winter and summer.
Using kinematic equations prove that if two balls are released simultaneously from a table, one with zero velocity and other with horizontal velocity, they will both reach ground at the same time.
A dog running in an open field has components of velocity = 3.4 and = -1.9 at time = 10.4. For the time interval from = 10.9 to = 24.7, the average acceleration of the dog has magnitude 0.45 and direction 25.
A horizontal uniform bar of mass 2.9kg and length 3.0 m is hung horizontally on two vertical strings. String 1 is attached to the end of the bar, and string 2 is attached the distance 0.74 m from the other end.
what was the initial speed of the bullet. find the heat that flows in 1.0 s through a lead brick 15 cm long if the temperature difference between the ends of the brick is 8.5 degrees celsius. the cross sectional are of the brick is 12 cm squared.
A wheel rotates with a constant angular acceleration of 4.35 rad/s2. Suppose that the initial angular speed of the wheel is 2.99 rad/s. Elucidate through what angle does the wheel rotate after 2.88 s?
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