Determine coefficient of kinetic frction between box-ramp
A box slides down a 30.0 degrees ramp with an acceleration of 1.20 m/s2. Determine the coefficient of kinetic frction between the box and the ramp.
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A 47.3-g golf ball is driven from the tee with an initial speed of 51.6 m/s and rises to a height of 31.6 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 5.40 m belo
If a mixture of the two exhibits& ; absorbances of 0.402 at 254nm and 0.432 at 267nm, what is the concentration of each& ; compound?
Explain the following observations using principles of nuclear chemistry: Gamma rays penetrate farther into the human body than alpha or beta rays.
What is the diameter of an Aluminum atom? Hints the mass of 1 mole of Aliminum is 27 g. the desity of Aluminum is 2.7g/mol
A hawk flies in a horizontal arc of radius 15.0 m at a constant speed 4.25 m/s. It continues to fly along the same horizontal arc, but increases its speed at the rate of 1.10 m/s2. Find the acceleration in this situation at the moment the hawk's s
Calculate the molar absorptivity of K2Cr2O7 at 455 nm, given that 36.5 mg dissolved in& ; 500.0 mL exhibits 12.0% transmittance at 455 nm in a 2.000 cm cell.
Use the principles of electrochemistry to answer these questions. Why is a salt bridge connecting two compartments of a galvanic cell necessary for the operation of the cell?
A bullet is shot out of a gun with a 61 cm barrel at a speed of 410 m/s into a block of wood. The bullet enters the wood 13 cm. What force does the block exert on the bullet? What is the time it takes?
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