A hockey player uses a 400-gram stick to apply 50 newtons of force to a 170-gram puck, causing a momentum change of 5 kg•m/s.
What is the impulse experienced by the hockey puck?

A. 5 N•S
B. 8N•S
C. 10N•S
D. 50N•S

please hell!!

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f