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Physics
Assuming the coefficient of static friction between the board and the box is unknown, what is the magnitude of the box's acceleration in terms of the frictional force f?
ghee freezes from bottom but water freezes from top, why?
What is the role of a neutrons in the nucleus?
The 1.19 kg head of a hammer reaches a speed of 8.4 m/s just before striking a nail and is brought to rest. Estimate the temperature increase of a 13 g iron nail after it is struck by twenty such hammer blows delivered in rapid succession, assuming the nail absorbs all the energy.
Urination is one of the key mechanisms for losing fluid from the human body.
A 500-kg roller coaster car travels with some initial velocity along a track that is 5 m above the ground. The car goes down a small hill and then coasts back up a higher hill. The second hill is 12 m above the ground. What must the initial velocity of the car be for the car to be going 3 m/s at the top of the second hill?
There is a limit to how long your neck can be; if it were too long, blood would not reach your brain. What is the maximum height a person's brain could be above their heart, given the stated pressure and assuming there are no valves or supplementary pumps in the neck? The density of blood is 1,060 kg/m^3.
Three point charges lie in a straight line along the y-axis. A charge of q1 = − 9.0 μC is at y = 6.0 m, and a charge of q2 = −8.0 μC is at y = − 4.0m. The net electric force on the third point charge is zero. Where is this charge located?
Topsoil is A, less fertile than the c horizon B , rich in minerals and organic materials C, found below the b horizon D, very resistant to wind erosion
What is the truck's acceleration assuming the street is frictionless?
91 - 100 of 1016
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