Physics, 26.10.2019 11:43 alexandra2442
Acar is moving 18 m/s to the eat. if it takes the car 5 seconds to reach a velocity of 19 m/s to the east, what is its acceleration?
a. 0.2 m/s^2 west
b. 0.2 m/s^2 east
c. 1 m/s^2 east
d. 5 m/s^2 east
Answers: 1
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The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
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An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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Acar is moving 18 m/s to the eat. if it takes the car 5 seconds to reach a velocity of 19 m/s to the...
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