A1.7-kg firework is fired from the ground straight up on a planet with whose acceleration due to gravity is 4.8 m/s/s. you want the firework to explode when it is at a height of 165 m. you want the firework to be moving down at a speed of 10.0 m/s when it explodes. use this information to find out how fast you should launch your firework and how much time you should have on your trigger.

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

How do we measure or think of speed in the united states?