What is the speed of the flake
A 2.50 g ice flake is released from the edge of a hemispherical bowl whose radius r is 31.0 cm. The flake-bowl contact is frictionless. what is the speed of the flake when it reaches the bottom of the bowl?
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Pushing on the pump of a soap dispenser compresses a small spring. What compression is required for the spring potential energy to equal 0.0075 J?
Two ants race across a table 76 cm long. One travels at 5.44 cm/s and the other at 3.99999 cm/s. When the ?rst one crosses the ?nish line, how far behind is the second one?
What is the drag force on a 1.6 {rm m} wide, 1.4 {rm m} high car traveling at 10 {rm m/s}
How do you teach a 10 year old traumatic brain injury child with an IQ of 65 who has limited use of his left hand and minimal use of his right hand to learn the seven continents?
A car is driven 225 km west and then 78 km southwest (45 degrees). What is the displacement of the car from the point of origin (magnitude and direction)?
How did the beliefs, assumptions and attitudes of the US and the Soviet Union shape their respective policies during the Cold War and how did their actions based on these policies shape global events and relations?
An overhead electric power line carries a maximum current of 125A. What is the magnitude of the maximum magnetic field at a point 4.50m directly below the power line?
A 77 g arrow is fired from a bow whose string exerts an average force of 95 N on the arrow over a distance of 82 cm. What is the speed of the arrow as it leaves the bow?
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