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A hockey puck with mass 0.160 $\mathrm{kg}$ is at rest on the horizontal, frictionless surface of a rink. A player applies a force of 0.250 $\mathrm{N}$ to the puck, parallel to the surface of the ice, and continues to apply this force for 2.00 $\mathrm{s}$ . What are the position and speed of the puck at the end of that time?
see solution.
Physics 101 Mechanics
Chapter 4
Newton's Laws of Motion
Physics Basics
Motion Along a Straight Line
Motion in 2d or 3d
Cornell University
Simon Fraser University
Hope College
University of Sheffield
Lectures
03:28
Newton's Laws of Moti…
04:16
In mathematics, a proof is…
06:14
A hockey puck with mass 0.…
14:28
04:38
A 0.160-kg hockey puck is …
05:25
A0.160-kg hockey puck is m…
01:06
A hockey puck has a mass o…
05:18
A 0.25 kg puck is initiall…
02:33
A 90.0 -kg ice hockey play…
02:41
A 90.0-kg ice hockey playe…
03:01
A hockey puck of mass $150…
02:43
A hockey stick is in conta…
02:47
A hockey puck is hit on a …
01:19
A hockey puck is traveling…
03:35
A 110 g hockey puck sent s…
02:05
01:38
A $0.105-\mathrm{kg}$ hock…
01:50
02:55
Integrated ConceptsA 9…
08:07
Predict/Calculate Force Ti…
13:54
Hockey puck $B$ rests on a…
01:11
A 300 g hockey puck is sho…
all right. We use a combination of second long, couple of the creations of emotion charlatans. Second law would be you, our vehicles. And okay, so we want here. The acceleration situation would be forced to mash. And that's in what forces in one direction for us, which just quite to five millions over mass, which is put 16 kilograms. Uh, mutants is units of kildare, meters in seconds. Good units. And this and this will give us 1.56 That will be units of meters per second squared. And so we have acceleration. You want position of velocity from that position is given by this equation of motion. X equals X not plus for you, not t us half 18 square. Next, not its initial position. So that's zero few. Nona's initial velocity service arrest. So that zero. So we're left with 1/2 a t squared. So 1/2 times 1.56 meters per second squad times a time, which is two seconds squared. This gives you three points. One to the position and then for velocity. Another equation. Emotion was time. It's because you not Haiti again. The visual velocity zero So we have a 156 meters per second squared, serves to just two seconds that gets you 3.12 meters per second squared said the better.
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