The specific heat of silver is 235 J/(kg. K). How much energy is needed to raise the temperature of a 0.50-kg sample of silver from 200 K to 205 K? A. 587.5 j
B. 5875 j
C. 23.5 kj
D. 24.1 kj

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25? , b) el tiempo que el balón permanece en el aire.

Which situation will produce the greatest change of momentum