Change in momentum using unit vector notation
A 145 g baseball, moving along the x axis with speed 30.0 m/s, strikes a fence at a 45 degree angle and rebounds along the y-axis with unchanged speed. Give its change in momentum using unit vector notation.
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Pressing a wet rag against the rim and exerting a radially inward force of 66 N. Find the effective coefficient of kinetic friction between the wheel and the wet rag.
You make a primitive yo-yo by wrapping a massless string around a solid cylinder with mass M and radius R. You hold the free end of the string stationary and release the cylinder from rest. The string unwinds but does not slip or stretch as the cy
What is the relationship between template strand and the mRNA transcribed from it?
What is a complete randomized block design?
A plastic sphere floats in water with 65.0% of its volume submerged. This same sphere floats in glycerin with 51.8% of its volume submerged. (a) Determine the density of the glycerin.
A bucket filled with water has a mass of 75 kg and is attached to a rope that is wound around a 0.075 m radius cylinder. A crank with a turning radius of 0.25 m is attached to the end of the cylinder. What is the minimum force directed perpendicul
In a few sectences explain how might the transformation or DNA integration process have caused this outcome?
An 95 kg spacewalking astronaut pushes off a 645 kg satellite, exerting a 85 N force for the 0.440 s it takes him to straighten his arms. How far apart are the astronaut and the satellite after 1.20 minute?
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