Engineering Mathematics Blog… Skateboarder on a ramp| Physics 26 Jan 201926 Jan 2019 A skateboarder starts up a 1.0-m-high, 30° ramp at a speed of 6.9 m/s. The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through…
Engineering Mathematics Blog… Angular Acceleration| Circular Motion| Physics 26 Jan 2019 Your car tire is rotating at 4.0 rev/s when suddenly you press down hard on the accelerator. After traveling 300 m, the tire's rotation has increased to 6.5 rev/s .…
Engineering Mathematics Blog… Revolutions from angular velocity vs time graph| Circular Motion| Physics 26 Jan 201926 Jan 2019 The figure shows the angular-velocity-versus-time graph for a particle moving in a circle. A) How many revolutions does the object make during the first 4.0 s? Continue reading "Revolutions from…
Engineering Mathematics Blog… Supply plane dropping a package of food| Projectile Motion| Physics 26 Jan 201926 Jan 2019 A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. The plane flies 200 m above the glacier at a speed of…
Engineering Mathematics Blog… The direction of Velocity at Various Times in Flight for Projectile Motion| University Physics 26 Jan 2019 Alex, a mountaineer, must make it across a wide crevasse. Alex runs horizontally off the edge and successfully makes it to the other side of the crevasse, which is below…
Engineering Mathematics Blog… Projectile Motion| University Physics 26 Jan 2019 A rock is thrown with a speed of 12.0 m/s and a launch angle of 30.0° (above the horizontal) travels a horizontal distance of $latex d=17.0\:m&s=2&bg=ffffff&fg=000000$ before hitting the ground.…
Engineering Mathematics Blog… Conceptual Problem about Projectile Motion| University Physics 26 Jan 2019 The figure shows the trajectory (i.e., the path) of a ball undergoing projectile motion over level ground. The time $latex t_0=0\:s&s=2&bg=ffffff&fg=000000$ corresponds to the moment just after the ball is…
Engineering Mathematics Blog… Velocity in a Moving Frame| University Physics 26 Jan 201926 Jan 2019 You are attempting to row across a stream in your rowboat. Your paddling speed relative to still water is 3.0 m/s (i.e., if you were to paddle in water without…
