Calculate the change in the box kinetic energy
An 63.0 N box of clothes is pulled 7.8 m up a 30.0° ramp by a force of 105 N that points along the ramp. If the coefficient of kinetic friction between the box and the ramp is 0.22, calculate the change in the box's kinetic energy.
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150 grams of boiling water (temperature 100° C, heat capacity 4.2 J/gram/K) are poured into an aluminum pan whose mass is 1000 grams and initial temperature 21° C (the heat capacity of aluminum is 0.9 J/gram/K). After a short time, what is
How far apart are an object and an image formed by a 75 cm focal-length converging lens if the image is 2.64 X larger than the object and is real?
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Draw two diagrams for the situation where a moving train (with initial speed V0) collides elastically with a target train that is not initially moving, and the trains use their springy bumpers to bounce off each other without damage
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