At 0 s a car was moving at a speed of 5 m/s. After 5 s, its speed increased to 20 m/s. What was the acceleration during this time?
Equation:
Acceleration = velocity / time
A= (vf - vi)/t
Solve the following vector questions by adding or subtracting the vector arrows
Write a Paragraph.
A) What is acceleration?
B) What is negative and positive acceleration?
C) Explain one example of an object negatively accelerating and one example of an object positively accelerating. (4-6 sentences).
Categorize the following examples with the correct word(s): positive acceleration, negative acceleration, or no acceleration.
The dog runs in circles to chase his tail
The motorcycle slowed down as it approached the yield sign
The swimmer swims at the same constant speed throughout the entire race
The ball increases speed as it rolls down the ramp
Positive acceleration
Negative acceleration
No acceleration
The speed of an object at a specific moment in time is called...
A car drives at a speed of 30 mph in the first hour, then 20 mph in the second hour. 25 mph would be the cars _______________ speed.
Velocity is a vector measurement because it has both a magnitude and a________.
A plane is traveling at a speed of 1000 miles per hour from the airport to New York. New York is East from Los Angeles. Which of the following represents the planes velocity?
What are the units for velocity
What are the units for acceleration
What are the units for force?
What is constant speed?
Jerry walked from his house to the store (Target) in a straight path. In this problem, displacement and distance are the same. Why is distance the same as displacement in this case? (1-2 full sentences)
Jerry leaves his house and heads to the park. After the park Jerry goes to the gym and then home. In this problem, the displacement is 0 m/s. Why is the displacement zero in this case? (1-2 full sentences)
Categorize the following examples with the correct word (s): velocity, speed, or acceleration.
The runner sped up to cross the finish line
The tornado is traveling northwest at 20 mph
A snail can crawl 2 meters in 2 hours
Speed
Velocity
acceleration
Label the motion terms with, A-E
Resolve the vector quantities
What did you learn so far: Choose one of the following topics and write a paragraph about your topic. Explain the important details about your your topic. Which topic did you choose? What is it? Are there calculations or special rules - if so, what are they? How is this topic useful and why is it important? (4-5 Sentences)
Topics:
Velocity
Force
Displacement
Acceleration
Reference Point
Which of the following objects is accelerating?
What is happening in this graph from point A to B?
Which graph shows the object standing still?
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.
The picture of the position vs. time graph shows an object that is...
A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
Which section of the graph shows constant velocity?
How fast is this object going at 1 second?
Select the description of motion from A - B.
Describe the motion from B - C.
At what point is the speed the greatest?
What is this graph showing?
A rocket started at rest. After initiating the launch, it had an acceleration of 90 m/s2. How long did it take to reach a speed of 2430 m/s?
A= (vf - vi)/t
If a 2kg bird is pushed by the wind with a force of 2 N, how fast does the bird accelerate?
* N = kg x m/s2
Force = mass x acceleration
F = m x a
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
* N = kg x m/s2
Force = mass x acceleration
F = m x a