How much heat is required to raise temperature of copper
How much heat is required to raise the temperature of 0.362kg of copper from23.0C to 60.0 C. The specific heat is 0.920 (g. C).
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A rifle with a barrel length of 64 cm fires a 9 g bullet with a horizontal speed of 450 {rm m/s}. The bullet strikes a block of wood and penetrates to a depth of 12 cm.
What are the two most significant "anchoring devices" that insulate a person from a life of crime and imprisonment?& ;
The volume (in m3 at STP) and composition of the off-gases when air 20% (by volume) in excess of the theoretical requirement is used.
What the differences in the public reception of veterans returning from the Vietnam and Iraq wars. What were the reasons behind the difference in the treatment of these two groups of veterans?
The spring constant for the tendon is the same for both groups, 33 N/mm. What is the difference in maximum stored energy between the sprinters and the nonathletes?
An element has two isotopes with masses of 62.9396 u and 64.9278 u,and 30.83% of the atoms are the heavier isotope. Calculate the atomic mass of this element and give its name and symbol.
What is the acceleration of two falling sky divers (mass 113.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight?
Lipitor,a pharmaceutical drug that has been shown to lower "bad"cholesterol levels while raising "good" cholesteral levels inpatients taking the drug, had over $11 billion in sales in 2006.Assuming one 2.5-g pill contains 4.0% of the active ingred
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