Choose the scientific notation that best represents the standard notation given. 6,840,000,000 m 68.4 x 108 m 6.84 x 108 m 6.84 x 10-9 m 6.84 x 109 m

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 composition of water moves to begin a deepwater current?

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?