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a) A crate containing 40 bricks is raised by a forklift through a height of 1.3m to place on a truck bed. Determine the potential energy gained by the crate if each brick has a mass of 1.3kg.
b) The crate is then pulled by a hoist a distance of 3.4m across the flat trunk bed in 8 seconds. Determine the work done in moving the crate and the power of the hoist when the coefficient of friction is 0.6.
c) The loaded truck of mass 3800kg travels at 20 m/s on its journey. How much kinetic energy does the truck have at this point?
In fruit flies (Drosophilia melanogaster), Apterous (wingless) is an autosomal recessive trait to the wild type, normal wings. White eyes in Drosophilia is X linked and recessive to the wild type, red eyes.
what are some adaptations for gas exchange.
Reach capabilities in the sagittal plane can be determined graphically using anthropometric data as shown in the figure on the given page.
Determine which of the following is most likely to be the population in a psychological research study and Which of the following is NOT an empirical question?
Describe the function (role) of each of the following major vegetative tissues in plants: epidermis, cortex, xylem, phloem, pith, mesophyll.
In Parkinson's disease, which part of the brain shows depigmentation.
What different types of enzymes are used to modify histones, and how do these enzymatic modifications lead to chromatin remodeling?
A sequence of fifteen genes of an unclassified organism was recently discovered. The wildtype sequence is as follows: 123456*789ABCDEF, where asterisk represents the centromere.
Using information provided, what is the hydrogen/helium content inside a star that is the approximate age of our sun. what aspects are consequences of the evolutionary history of animals you are considering.
Despite the fact that the heritabilities were high and approximately equal, we cannot conclude that the differences in seed weight between the populations are largely due to genetic differences.
Which substance crossed the dialysis membrane? WhAt evidence from your results proves this?
At 4:00 p.m a closed flask of sterile broth is inoculated with 10,000 cells. The lag phase lasts 1 hour. At 9:00 p.pm the culture enters stationary phase with a population of 65 million cells. At what time is the population half maximal? ( SHOW YO..
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