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Four answers required for this problem. A converging lens has a focal length on both sides of 24.0 cm. An object is placed to the left of the lens at 14.0 cm. The object is 8.0 cm in height.
a. What is the image distance?
b. What is the height of the image?
c. Is the image real or virtual?
d. Is the image to the left or right of the lens?
A light wave has a 660nm wavelength in air. Its wavelength in a transparent solid is 440nm. What is the speed of light in this solid
A model rocket rises with constant acceleration to a height of 3.8 , at which point its speed is 26 m/s How much time does it take for the rocket to reach this height.
A professor's office door is 0.80 wide, 3.0 high, and 5.0 thick; has the mass of 25; and pivots on frictionless hinges. A "door closer" is attached to the door and the top of door frame.
A 23 kg body is moving in the direction of the positive x axis with a speed of 292 m/s when, owing to an internal explosion, it breaks into three pieces.
If the pendulum makes a maximum angle of 5.4? with the vertical, what is the length of the pendulum
A man stands on a platform that is rotating (without friction) with an angular speed of 0.361 rev/s; his arms are outstretched, what is the resulting angular speed of the platform
An athlete completed a marathon in 2 h, 39 min, 41 s. Determine the average speed (in miles per hour) of the athlete.
Estimate the change in COP of your electric food freezer when it is removed from your kitchen to its new location in your basement, which is 8 C° cooler than your kitchen. (Assume that the temperature in the kitchen is 20°C and that the temperature o..
A charge Q is transferred from an initially uncharged plastic ball to an identical ball 11cm away. The force of attraction is then 19mN. How many electrons were transferred from one ball to the othe
In a head on collision, a car stops in .10 seconds from a speed of 14 meters per second. The driver has a mass of 70 kg, and is, fortunately, tightly strapped into his seat. What force is applied to driver by his seat belt during that fraction of ..
A grade school student plans to build a 34-power telescope as a science fair project. What focal length is needed for her objective lens
Two narrow slits 0.286 mm apart are illuminated by light of wavelength 542. nm. The light falls on a screen 1.60 m away from the slits. What is the angular seperation between adjacent maxima
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