A parcel of mass 50kg falls from a plane and acquires a terminal velocity of 5.0 m/s. The resultant force on the parcel is then

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?

Explain the difference in reactivity of the elements based on their electron configurations.