A strong gust of wind hits a falcon coasting through the sky. The force of the wind on the falcon is 1.3 N, and the wind blows for 1.8 s. What is the magnitude of change to the falcon’s momentum? A. 0.87 kg m/s
B. 1.2 kg m/s
C. 1.9 kg m/s
D. 2.3 kg m/s

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?