A feather 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. Group of answer choices

KE 0.0196 J

KE = 0.0196 J

KE = 0 J

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

What is the mass of 0.46 mol of mgcl2

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth