An airplane flying with a horizontal initial velocity of 80 m/s drops a package down to the ground. The plane is initially 490 meters above the ground. How long does it take the package to hit the ground?

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm