An atom of tungsten (W) has 74 protons. The atomic mass of tungsten is 183.84. How many neutrons does an atom of tungsten have? Round your answer to the nearest whole number.
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Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

You can melt ice by applying pressure because the solid/liquid line has a slope.