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lens forms an image of an object. The object is 16.0 cm from the lens. The image is 12.0 cm from the lens on the same side as the object.
(a) What is the focal length of the lens? Is the lens converging or diverging?
(b) If the object is 8.50 mm tall, how tall is the image? Is it erect or inverted?
(c) Draw a principal-ray diagram
When additional mass is added to the piston, the height of the piston decreases to 16.4 cm. Find out the new pressure applied by the piston.
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When a guitar string is sounded along with a 436 Hz tuning fork, a beat frequency of 5Hz is heard. When the same string is sounded along with a 434 Hz tuning fork, beat frequency is 7.00 Hz. What is the frequency of the string.
To estimate the muzzle speed of a blow dart, fire dart straight up into the air and time how long it takes to come back down. Roughly half of that time is the time for object to decelerate from its initial velocity to motionless. Estimation the in..
A toy car X of mass .200 kg moves along a frictionless surface with a velocity of .180 m/s. It collides with another toy car Y, with the mass .250 kg and a speed of .130 in the same direction.
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The speed of a light wave in a certain transparent material is 0.501 times its speed in vacuum, what is its wavelength in nanometers
The work completed by friction on the rock when it moves from point to point at the bottom of the bowl has magnitude 0.22. Just as the rock reaches point, what is the normal force on it because of the bottom of the bowl .
At the beginning of the interval the astronaut is moving toward the right along the x-axis at 15.40, and at the end of interval she is moving toward the right at 5.40.
What is the speed of the 2 cars as they move together after the collision.
What is the coefficient of static friction among the coin and the turntable? Express your answer using two significant figures.
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