Abullet has a momentum of 3.2 kg*m/s. what is its mass if it is traveling at 762 m/s question 5 options: 42 kg 0.042 kg 42 ounces 0.000042 pounds

Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature