A brick is thrown upward from the top of a building at an angle of 30° to the horizontal and with an initial speed of 13 m/s. If the brick is in flight for 2.6s, how tall is the building?

What is the measure of a change in an objects velocity?

You add 800 ml of water at 20c to 800 ml of water at 80c what is the most likely final temperature of the mixture ? a. 100c b. 60c c. 25 c d.50c

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g