How fast was the bullet going when it left the gun problem
Bruce places a 2.0kg block over a small hole on a table. He then puts a gun under the table and shoots a 35.0g bullet into the block where it lodges. If the block rises1.3m above the table, how fast was the bullet going when it left the gun?
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Electrolysis of molten MgCl2 is the finalproduction step in the isolation of magnesium from seawater.Assuming that 37.8 g Mg metal forms, calculate the following.
An archer puts a 0.30-kg arrow to the bowstring. An average force of 201 N is exerted to draw the string back 1.3 m. Assuming that all the energy goes into the arrow, with what speed does the arrow leave the bow?
A solution of acetic acid,HC2H3O2, on a laboratory shelf wasof undetermined concentration. If the pH of the solution was found to be 2.81, what was the original concentration of the acetic acid?
a) What is the velocity of the block after it leaves the spring but before it gets to the incline? b) How far up the incline (along the hypotenuse of the triangle) does the block travel?
Given point P(-15/17, 8/17) in on the unit circle U corresponding to a real number t. Find the values of the trigonometric functions at t.
If relative atomic mass of sodium is 23 and the density is 0.97 gcm -3. If the volume of one sodium atom is V , what is the value for Avogadro Constant ?
After being released, the block hits a rough surface with a coefficient of friction of 0.6. How far does the block travel across the rough surface before it comes to a stop?
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