Question 5.A 5.0-kg bag of groceries is dropped from a height of 1.0 m. What is the final speed of the bag just as it touches the ground? Ignore air
resistance for this problem.
A. 1.1 m/s
B. 4.4 m/s
C. 5.5 m/s
D. 22 m/s

Along, straight wire with 3.0 a current flowing through it produces magnetic field strength 1.0 t at its surface. if the wire has a radius r, where within the wire is the field strength equal to 36.0% of the field strength at the surface of the wire? assume that the current density is uniform throughout the wire

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

What kind of simple machine is a catapult?