FARAN NASIR asked 5/1/2007 What Is Meant By Rolling Friction? Is Rolling Friction Greater Than Sliding Friction?
Effendi Nkwenti asked 12/9/2011 The formula h=48t-16t^2 gives the height h, in feet, of an object projected into the air after t seconds. If an object is propelled upward, at what times will it reach a height of 32 feet above the ground?
mohammad hamode asked 12/15/2015 A boy standing on top of a hill throws a stone horizontally. The stone hits the ground at the foot of a hill 2.5 s later. How high is the hill?
Anonymous asked 2/26/2015 Compare the de Broglie wavelength of a golf ball moving at 70.0 miles per hour (31.3 m/s) to that of a proton moving at 1.30E7 miles per hour (5.81E6 m/s) and an alpha particle with a speed of 3.40E7 miles per hour (1.52E7 m/s)?
Chrystal Chrystalg asked 12/3/2014 A ball is thrown vertically upward with a speed of 24.9 m/s. How high does it rise? The acceleration due to gravity is 9.8 m/s2. Answer in units of m Part 2 How long does it take to reach its highest point? Answer in units of s