A100-kg person sits on a 5-kg bicycle. the total weight is borne equally by the two wheels of the bicycle. the tires are 2.0 cm wide and are inflated to a gauge pressure of 8.0 × 105 pa. what length of each tire is in contact with the ground?

What equation is used to calculate the weight of an object on a plant ?

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.

Which best describes the difference between internal and thermal energy?