Yaeji completed the attract or repel part of the table when she observed what happens when two charged objects come close to each other. Her teacher told her that there is a mistake in her table. How can Yaeji correct her table? A negatively charged glove and a positively charged dress will repel each other, so Yaeji should change "attract" to "repel" for these objects.

A negatively charged T-shirt and a positively charged chair will attract each other, so Yaeji should change "repel" to "attract" for these objects.

Two negatively charged beach balls will attract each other, so Yaeji should change "repel" to "attract" for these objects.

A negatively charged T-shirt and a positively charged dress will repel each other, so Yaeji should change "attract" to "repel" for these objects.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

How much heat is needed to raise the temperature of 5g of water by 16°c?

A50 kg student climbs 3 m to the top of a set of stairs. calculate the change in the student’s gravitational potential energy from the bottom to the top of the stairs. show your calculations and include units in your answer. how much total work does the student do while climbing the stairs? show your calculations or explain your reasoning. include units in your answer. it takes the student 30 s to climb to the top of the stairs. what is the average power generated by the student climbing the stairs? show your calculations and include units in your answer. the next day the student carries a 10 kg backpack up the same stairs and again takes 30 s to reach the top of the stairs. is the average power you calculated in part (c) greater than, less than, or equal to the average power the student generated the next day? explain your answer.