a mob of pigs walk towards you at 7.00m/s. When they are 42.0m from you, you...
a mob of pigs walk towards you at 7.00m/s. When they are 42.0m from you, you lift a frying pan and they begin to accelerate towards you with a constant rate of 2.00m/s2. How fast are they moving when they get you?
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a mob of pigs walk towards you at 7.00m/s. When they are 42.0m
from you, you...
Suppose you stars off 10 feet from a light bulb. You walk towards it and stop...
Suppose you stars off 10 feet from a light bulb. You walk towards it and stop when it appears 25 times brighter. How many feet are you from the light bulb when you stop?
A wolf runs towards you at 1.5 m/s. If you start running when the wolf is...
A wolf runs towards you at 1.5 m/s. If you start running when the wolf is 25 m away from you, how fast must you run to the safety of cabin that is 100 m away?
A) Starting from rest, you accelerate at 6.0 m/s/s for 5 seconds. You then travel at...
A) Starting from rest, you accelerate at 6.0 m/s/s for 5 seconds. You then travel at constant speed for 10 seconds. What is the constant velocity you are moving at after 5 seconds? B) Starting from rest, you accelerate at 6.0 m/s/s for 5 seconds. You then travel at constant speed for 10 seconds. How far did you travel over the 15 seconds?
. As you walk to class with a constant speed of 1.75 m/s, you are moving...
. As you walk to class with a constant speed of 1.75 m/s, you are moving in a direction that is 18.0° north of east. How much time does it take to change your position by (a) 20.0 m east or (b) 30.0m north? In-Class Chapter 4 Part 1 PHY-131 .A skateboarder travels on a horizontal surface with an initial velocity of 3.8 m/s toward the south and a constant acceleration of 2.2 m/s2 toward the east. Let the x...
8. A projectile is fired from the origin in a straight line towards a rectangular target...
8. A projectile is fired from the origin in a straight line towards a rectangular target and hits it perpendicularly 2 seconds later. The vertices of the rectangle are (50,100,275), (100, 0, 275), (200,50, 150), and (150, 150, 150), where units are in meters. (a) At what point did the projectile hit the rectangle? (b) The projectile was trying to hit the center of the target. How accurate was it? (c) Assuming the projectile was moving at a constant speed,...
When the source of a wave and an observer move either towards or away from each...
When the source of a wave and an observer move either towards or away from each other the observed frequency of the wave will be different from the frequency at which the wave is emitted. For example, if you are standing by the side of the road and a police car with a siren passes by, the frequency of the sound you hear will be higher when the car is moving towards you and lower when it is moving away...
You are driving towards a traffic signal when it turns yellow. You are travelling at 15.5...
You are driving towards a traffic signal when it turns yellow. You are travelling at 15.5 m/s and as you break, you decelerate at a constant rate of 3.5 m/s2. Your reaction time before breaking is 0.75 s. If the distance to the intersection is 40 m, willl your car stop before the intersection? If the duration of the yellow light was 3.2 seconds, would you have been able to pass the traffic signal before the light turned red?
As you walk to class with a constant speed of 1.95 m/s , you are moving...
As you walk to class with a constant speed of 1.95 m/s , you are moving in a direction that is 17.6 ∘ north of east. a)How much time does it take to change your displacement by 23.0 m east? b) How much time does it take to change your displacement by 28.0 m north?
4. Encouraged by the success that they had with running down the mayor and other humans...
4. Encouraged by the success that they had with running down the mayor and other humans who were pestering their friend Phil the groundhog, the squirrels have realized that they can use their flywheel powered car to protect themselves from some dogs that have been chasing them around the park. The squirrels are sitting on their car one day, when a really furry Sheepdog named "Sir Fluffs-a-lot" sees them. Sir Fluffs-a-lot is 50 meters away, and starts running towards the...
Two cars start from rest at a red stop light. When the light turns green, both...
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 5.6 m/s2 for 3 seconds. It then continues at a constant speed for 7.8 seconds, before applying the brakes such that the car’s speed decreases uniformly coming to rest 178.16 meters from where it started. The yellow car accelerates uniformly for the entire distance, finally catching the blue car just as the...
. As you walk to class with a constant speed of 1.75 m/s, you are moving in a direction that is 18.0° north of east. How much time does it take to change your position by (a) 20.0 m east or (b) 30.0m north? In-Class Chapter 4 Part 1 PHY-131 .A skateboarder travels on a horizontal surface with an initial velocity of 3.8 m/s toward the south and a constant acceleration of 2.2 m/s2 toward the east. Let the x...
8. A projectile is fired from the origin in a straight line towards a rectangular target and hits it perpendicularly 2 seconds later. The vertices of the rectangle are (50,100,275), (100, 0, 275), (200,50, 150), and (150, 150, 150), where units are in meters. (a) At what point did the projectile hit the rectangle? (b) The projectile was trying to hit the center of the target. How accurate was it? (c) Assuming the projectile was moving at a constant speed,...
When the source of a wave and an observer move either towards or away from each other the observed frequency of the wave will be different from the frequency at which the wave is emitted. For example, if you are standing by the side of the road and a police car with a siren passes by, the frequency of the sound you hear will be higher when the car is moving towards you and lower when it is moving away...
You are driving towards a traffic signal when it turns yellow. You are travelling at 15.5 m/s and as you break, you decelerate at a constant rate of 3.5 m/s2. Your reaction time before breaking is 0.75 s. If the distance to the intersection is 40 m, willl your car stop before the intersection? If the duration of the yellow light was 3.2 seconds, would you have been able to pass the traffic signal before the light turned red?
4. Encouraged by the success that they had with running down the mayor and other humans who were pestering their friend Phil the groundhog, the squirrels have realized that they can use their flywheel powered car to protect themselves from some dogs that have been chasing them around the park. The squirrels are sitting on their car one day, when a really furry Sheepdog named "Sir Fluffs-a-lot" sees them. Sir Fluffs-a-lot is 50 meters away, and starts running towards the...
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