During her speed walking training session, Megan walks 1200 m in 450 seconds. a) What is her speed in m/s?( Round your answer to the
nearest tenth) b) Using the conversion factors 1m = 3.3 ft, 5280 ft = 1
mile, and 1 hour = 3600 s, determine Megan's speed in miles per hour.*

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain