You are analyzing a video of a moving object and want to calculate its average velocity. The video has a frame rate of 15 fps. As you are analyzing the video frame by frame, you see that the object moves a distance of 45 cm in 8 frames. What is the average velocity of the object in m/s?

What challenges did you encounter during the circuit training program?

Which of the following is a measure of the amount of light a star directly emits?               a.  luminosity    b.  intensity    c.  wavelength    d.  brightness

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s