Answer:
Explanation:
Average acceleration is found by dividing the change in acceleration by the time.
The shuttle bus has an acceleration of -2.4 meters per square second. It slows from 9.0 meters per second to rest, or 0 meters per second. Therefore:
Substitute the values into the formula.
Solve the numerator.
We want to solve for t, the time. We have to isolate the variable. Let's cross multiply.
t is being multiplied by -2.4. The inverse of multiplication is division, so divide both sides by -2.4
It takes <u>3.75 seconds.</u>
1468 :) lol
you’re welcome
Answer: T= 715 N
Explanation:
The only external force (neglecting gravity) acting on the swinging mass, is the centripetal force, which. in this case, is represented by the tension in the string, so we can say:
T = mv² / r
At the moment that the mass be released, it wil continue moving in a straight line at the same tangential speed that it had just an instant before, which is the same speed included in the centripetal force expression.
So the kinetic energy will be the following:
K = 1/2 m v² = 15. 0 J
Solving for v², and replacing in the expression for T:
T = 1.9 Kg (3.97)² m²/s² / 0.042 m = 715 N
According to the pavlovian perspective, people who suffer from PTSD are classically conditioned.
<h3>What is PSTD?</h3>
This is referred to as post traumatic stress disorder which is a mental disorder from a terrifying incident.
The pavlovian perspective however view this disorder as being a type of classical conditioned one.
Read more about Post traumatic stress disorder here brainly.com/question/943079
#SPJ1
Answer:
Also 0
Explanation:
Since average speed of an object is that object's displacement over a unit of time, when an average speed is 0, its displacement over a unit of time must also be 0. When an average speed is not 0, then its displacement over a unit of time is also not 0 for that interval.
