The questions for this assignment are to be submitted through crowdmark i) for case (a) to (c) derive the merical formula for the energy using electron volts as a unit. do both cases for (c). also convert the boltzman constant to units of evk1. i want to have common units for the energies, while starting from the comonly used expressions this will get the point across that energies are very different ii) for cases (a) to (d), at room temperature (300k), calculate the ratio of finst excited pground ii) for cases (a) to (d), at room temperature (300k), calculate the lowest index r (representing n, , or v) of the excited state for whiclh ground such that its contribution starts to be negligible (or small at least). use the following equations to simplify this question: pground pground

when insulating materials rub against each other, they may become electrically charged . electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. the material that gains electrons becomes negatively charged. the material that loses electrons is left with a positive charge.

it about 600 mph from what i calculated

note: the given question is incomplete.

complete question is given below.

which is an example of kinetic energy?

a. the energy stored in ethanol  

b. a hockey puck sliding across the ice  

c. a compressed spring  

d. a ball sitting at the top of a ramp

solution: the kinetic energy is the energy posses by the virtue of the motion of the object.

in the given options, a, c and d are the example of potential energy because it is the energy posses by the virtue of the rest of the object. but option b has the kinetic energy as the object is in motion.

hence, a hockey puck sliding across the ice   is the apex example of kinetic energy.

so, the option (b) a hockey puck sliding across the ice   is the correct option.