A woman holds a 29-N weight at arm's length for 19 seconds. Her arm is 1.9-m above the ground. The work done by the woman on the weight to keep the weight steady is J. Round your answer to the nearest whole number.

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?