Physics, 31.10.2019 03:31, jtingley0502
Block is sitting on a table within a train moving at constant speed. consider the observations of a person on the train considering the block and of a person standing at rest on a station platform as the train passes. which one of the following statements is correct? a. the person on the train would say that the block is in equilibrium, but not static equilibrium; and the external observer would say that the block is in static equilibriumb. the person on the train would say that the block is in equilibrium, but the external observer would say that the block is not in equilibriumc. the person on the train would say that the block is in static equilibrium, but the external observer would say that the block is in equilibrium, but not static equilibriumd. both the person on the train and the external observer would agree that the block is not in equilibriume. both the person on the train and the external observer would agree that the block is in equilibrium, but not static equilibrium.
Answers: 2
Physics, 21.06.2019 18:00, Tips101
How are momentum and impulse related? impulse is a whim to do something, while momentum keeps it going impulse is another name fore instantaneous momentum the impulse acting on and object is equal to the change of momentum it causes. the impulse that acts on and object is the momentum that results.
Answers: 2
Physics, 22.06.2019 01:00, jayycruz59
An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75
Answers: 2
Physics, 22.06.2019 12:30, lmolder1329
Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (ρ = 2770 kg/m3 and cp = 875 j/kg°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22°c. assuming 90% of the heat generated in the resistance wires is transferred to the plate, determine the minimum time needed for the plate temperature to reach 200°c.
Answers: 1
Block is sitting on a table within a train moving at constant speed. consider the observations of a...
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