A conductive wire has a resistance of 36 ohms at 32 ° C centigrade and 63 ohm at 23 ° C. Calculate the temperature coefficient and the resistance it presents if the temperature increases by 100 ° C compared to the initial one. please help

John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?

Describe cytokinesis in plants and animals. in animals: in plants.

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.