Find the height of the magnified print
A converging lens (f = 13.0 cm) is held 7.30 cm in front of a newspaper, the print size of which has a height of 1.90 mm. Find (a) the image distance (in cm) and (b) the height (in mm) of the magnified print?
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One student dilutes 10 mL stock solution to a final volume of 20 mL. S/he dilutes 10 mL stock solution to a final volume of 40 mL. S/he dilutes 10 mL stock solution to a final volume of 60 mL. Does s/he have the solutions at the concentrations des
Discuss the difference between quantitative and qualitative forecasting. Does one provide a more accurate forecast than the other?
The total electric flux from a cubical box 28cm on a side is 1.45*10^3 Nm^2/C. What charge is enclosed by the box?
Two ants race across a table 76 cm long. One travels at 4.6 cm/s and the other at 3 cm/s. When the first one crosses the finish line, how far behind is the second one?
A force stretches a wire by 0.60mm. A third wire of the same material has the same length and twice the diameter as the first. How far will it be stretched by the same force?
Two small spheres spaced 40.0 cm apart have an equal charge. How many excess electrongs must be present on each sphere if the magnitude of the force of repulsion between them is 5.37x 10^-21 newtons?
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Megan's mass is 26 kg. She starts from rest at the top of a 4.8 m tall slide and reaches a velocity of 5.1 m/s at the bottom of the slide. What is the change in thermal energy of the Megan/earth/slide system?
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