A first order reaction is 25% completed in 1h minutes. Calculate the time required for its 50% completion.

What is the magnitude of the resultant vector round your answer to the nearest tenth

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance

Write a hypothesis about the effect of increasing resistance on the current in the circuit. use theformat and be sure to answer the lesson question. “how do changes in voltage or resistance affect current in an electric circuit? ”