IF YOU WANT BRAINLIEST THEN ANSWER THIS:D pleas pleas pleas don't just do this for points
A gas water heater is 75% efficient. The energy output used to heat the water is 4.6 kWh.

What is the energy input, rounded to the nearest tenth?

A) 3.5 kWh
B) 5.4 kWh
C) 6.1 kWh
D) 16.3 kWh

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)

Bahan yang digunakan mencegah terjadinya polarisasi pada batu baterai a. larutan h2so4b. mncl2 dan serbuk karbonc. pbso4d. nh4cl