What shape of graph should be obtained in Procedure 3?
A straight line
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The ____ is responsible for binding the electrons to the nucleus
a. Kirchhoff's law b. ground state c. temperature d. Coulomb force e. Balmer series
Calorimetry: How many grams of ice at -17°C must be added to 741 grams of water that is initially at a temperature of 70°C to produce water at a final temperature of 12°C. Assume that no heat is lost to the surroundings and that the container has negligible mass. The specific heat of liquid water is 4190 J/kg ? C° and of ice is 2000 J/kg ? C°. For water the normal melting point is 0°C and the heat of fusion is 334 × 103 J/kg. The normal boiling point is 100°C and the heat of vaporization is 2.256 × 106 J/kg.
Fill in the blank(s) with the appropriate word(s).
An object is being acted upon by three forces and moves with a constant velocity. One force is 60 N along the x-axis, the second is 75 N along a direction making a clockwise angle of 150° with the x-axis
What is the direction of the third force, measured clockwise from the x-axis? A) 164° B) 146° C) 236° D) 255° E) 262°
A proton with a kinetic energy of 0.20 keV follows a circular path in a region where the magnetic field is uniform and has a magnitude of 60 mT. What is the radius of this path?
a. 4.1 cm b. 2.9 cm c. 3.4 cm d. 5.1 cm e. 2.4 cm