By what factor do its surface area change
In the redesign of a machine, a metal cubical part has each of its dimensions tripled.
a.By what factor do its surface area change?
b.By what factor do its volume change?
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Sally applies a horizontal force of 462 N with a rope to drag a wooden crate across a floor with a constant speed. The rope tied to the crate is pulled at an angle of 56 degrees. How much force is exerted by the rope on the crate?what work is done
A plate of glass with parallel faces having a refractive index of 1.52 is resting on the surface of water in a tank. A ray of light coming from above in air makes an angle of incidence 34.5 with the normal to the top surface of the glass.
A tank with vertical walls, 2m wide and 2m long and 2.5m high, is filled with 4800 litres of water (density 1000 kg/m3) and 3200 litres of light oil (density 900 kg/m3). Calculate the magnitude and location of the resultant force on each of the ve
What is the speed of an electron that has been accelerated from rest through a potential difference of 1050 ?
In the redesign of a machine, a metal cubical part has each of its dimensions tripled. By what factor do its surface area change?
What contributions did Eleanor Roosevelt and John COllier make for African Americans and American Indians?
When you lift a bowling ball with a force of 91 N, the ball accelerates upward with an acceleration a. If you lift with a force of 102 N, the ball's acceleration is 2a. Find the weight of the bowling ball. Find the acceleration.
What is the net amount of heat this person could radiate per second into a room at 19.0^circ C (about 66.2^circ F) if his skin's surface temperature is 31.0^circ C? (At such temperatures, nearly all the heat is infrared radiation, for which the bo
Do some research on "Everglades muck soil" an" "Everglades agriculture" to learn a little about the history of agriculture on these muck soils and what happened.
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Most, if not all, modern psychologists now concede that human behavior is influenced by both nature and nurture; what differentiates nativists from empiricists
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