In a local bar, a customer slides an empty beer mug on the counter for a refill. The bartender does not see the mug, which
slides off the counter and strikes the floor 1.40m from the base
of the counter. If the height of the counter is 0.860m, (a) with
what speed did the mug leave the counter and (b) what was the
direction of the mug’s velocity just before it hit the floor?

Phase changes are chemical changes. true or false

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?

A15,000 kg rocket traveling at +230 m/s turns on its engines. over a 6.0 s period it burns 1,000 kg of fuel. an observer on the ground measures the velocity of the expelled gases to be −1,200 m/s.