What is the relationship between the mass of an object and the amount of force required to drag it across the table?

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c