A pebble is dropped from the edge of a tall cliff into the ocean. The pebble's height above the ocean in feet can be modeled by the expression 400–16t2, where t is the time in seconds after the pebble is released.What does the quantity 16t2 represent in the expression?

A coconut falls from the top of a tall palm tree. The coconut's height above the ground in feet can be modeled by the expression 50–16t2, where t is the time in seconds after the coconut begins to fall.What does the quantity 16t2 represent in the expression?

A squirrel was sitting in a tree and dropped an acorn. The height of the acorn above the ground, in feet, after t seconds can be modeled by the expression –16t2+23.What does the quantity 16t2 represent?

Trevor placed a football on his back deck and kicked it into his yard. The football's height above the ground, in feet, after t seconds can be modeled by the expression –16t2+30.2t+4.5.What does the number 4.5 represent?

At the trampoline park, Lisa bounces upward with an initial velocity of 24feet per second. Therefore, Lisa's height above the trampoline in feet, t seconds after she jumps, can be modeled by the expression –16t2+24t. This expression can be written in factored form as –16t(t–1.5).What does the number 1.5 represent in the expression?

A pebble is dropped from rest from the top of a tall cliff and falls 4.9 m after 1.0 s has elapsed. How much farther does it drop in the next 2.0 s? (Take g = 9.8 m/s2)9.8 m19.6 m39.2 m44 m