Acceleration physics course work

In summary, the glaucous-winged gull dropped a shell at a height of 13.5m while ascending at a speed of 5.40 m/s. The magnitude of the shell's acceleration just after it was released can be calculated by using the formula -5.40=2a(-13.5), which gives a value of -0.2. However, this may not be the correct answer and the units should also be taken into consideration.
  • #1
wadini
47
0
A glaucous-winged gull, ascending straight upward at 5.40 , drops a shell when it is 13.5 above the ground. What is the magnitude of the shell's acceleration just after it is released?

x= -13.5 (because it is the same as when it went up but just negative)
v= 5.40

I got -.2 by putting in -5.40=2a(-13.5)...but that is not the right answer obviously...
 
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  • #2


You may want to add units behind the numbers.
 
  • #3


actually what i just realized is that I should probably plug in

-13.5=5.40+.5*a*...okay never mind
 
  • #4


13.5m
5.40 m/s
 
  • #5


A glaucous-winged gull, ascending straight upward at 5.40 m/s , drops a shell when it is 13.5m above the ground. What is the magnitude of the shell's acceleration just after it is released?
 

What is acceleration in physics?

Acceleration in physics is defined as the rate of change of velocity with respect to time. It is a vector quantity, meaning it has both magnitude and direction. It is commonly denoted by the symbol a and measured in units of meters per second squared (m/s²).

What is the difference between acceleration and velocity?

Acceleration and velocity are related but distinct quantities in physics. Velocity is the rate of change of position with respect to time, while acceleration is the rate of change of velocity with respect to time. In other words, velocity tells us the speed and direction of an object's motion, while acceleration tells us how that velocity is changing over time.

How is acceleration calculated?

Acceleration can be calculated by dividing the change in velocity by the change in time. This can be represented by the formula a = (vf - vi)/t, where vf is the final velocity, vi is the initial velocity, and t is the time interval. It can also be calculated by using the formula a = Δv/Δt, where Δv is the change in velocity and Δt is the change in time.

What are the units of acceleration?

The units of acceleration are meters per second squared (m/s²) in the International System of Units (SI). However, it can also be expressed in other units such as centimeters per second squared (cm/s²) or kilometers per hour squared (km/h²).

What are some examples of acceleration?

Some common examples of acceleration include a car speeding up or slowing down, a ball being thrown into the air and falling back to the ground, or a person riding a rollercoaster. Any change in velocity, whether it is an increase or decrease, is considered acceleration.

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