A0.30-kg object is suspended from the ceiling at the end of a string of length 1.9 m. when pulled to the side and released, it has a speed of 2.9 m/s at the lowest point of its path. what maximum angle does the string make with the vertical as the object swings up?

Why is metal often used for cooking pan?

Explain what happens at the saturation point when adding salt to water at room temperature.

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?