Physics, 21.01.2020 18:31 Korkot7633
Nf was going to kg cart accelerates the cart at 3 m/s squared how much acceleration of the same net force produced on a 4kg cart
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Amplitude is a measure of a waves a; speed b; distance c; energy d; frequency
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Physics, 21.06.2019 18:10
An insurance company wants to know if the average speed at which men drive cars is higher than that of women drivers. the company took a random sample of 27 cars driven by men on a highway and found the mean speed to be 72 miles per hour with a standard deviation of 2.2 miles per hour. another sample of 18 cars driven by women on the same highway gave a mean speed of 68 miles per hour with a standard deviation of 2.5 miles per hour. assume that the speeds at which all men and all women drive cars on this highway are both approximately normally distributed with unknown and unequal population standard deviations.
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Physics, 22.06.2019 00:30
What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds
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Physics, 22.06.2019 05:00
Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?
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Nf was going to kg cart accelerates the cart at 3 m/s squared how much acceleration of the same net...
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