The aircraft is flying at 165 km/h due east as the air crew drops the 100. kg crate. The parachute fails to open and the crate crashes to the ground 4.5 s after it was released. a. What is the crate’s vertical speed just before it hits the ground?
b. How high was the plane when the container was released?
c. The plane was 0.5 km west of a lake when it released the
crate. Did the crate land in the lake?

How is zig zagging a form of acceleration?

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom

A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?