Your body applies force to the ground as weight. if you weigh 450 newtons and carry a backpack that weighs 45 newtons, what is the net force applied downward to the ground?

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

What component of earth’s atmosphere exists entirely as a result of photosynthesis?

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine