AS Physics Kinematics Question

In summary, the conversation is about a multi-choice question in a past paper for an upcoming exam. The person is unsure of how to solve it and mentions using the SUVAT equation. Another person suggests using the equation s=ut+0.5at^2 to calculate the distance, and the correct answer is determined to be D.
  • #1
seiei
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Homework Statement


This is a multi-choice question in one of the past papers I'm doing in preparation for my upcoming exam. All info is provided in the picture attached.


Homework Equations


SUVAT Equation most likely apply, but unsure how to go about it.


The Attempt at a Solution


Breaking down acceleration into base units ms-2 and all of the choices have 2h as the numerator meaning that the denominator must be a squared time. Any help would be appreciated. Thanks!
 

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  • #2
Use the equation s=ut+0.5at^2

try to calculate the distance h AND h+x using this equation...then u will get the answer...

p.s : it's D right ?
 
  • #3
Yup it's D, thanks for the help! ^_^
 

1. What is kinematics in physics?

Kinematics is the branch of physics that studies the motion of objects without considering the forces that cause the motion. It focuses on the position, velocity, and acceleration of an object in relation to time.

2. What are the key equations used in kinematics?

The key equations used in kinematics include:

  • Displacement = Velocity x Time
  • Velocity = Initial Velocity + Acceleration x Time
  • Displacement = (Initial Velocity x Time) + (0.5 x Acceleration x Time^2)
  • Final Velocity^2 = Initial Velocity^2 + 2 x Acceleration x Displacement

3. How is kinematics different from dynamics?

Kinematics only deals with the motion of objects, while dynamics also takes into account the forces that cause the motion. In other words, kinematics is concerned with describing the motion, while dynamics explains why the motion happens.

4. What are the three types of kinematic equations?

The three types of kinematic equations are:

  • Equations for displacement and constant acceleration
  • Equations for velocity and constant acceleration
  • Equations for displacement and velocity with constant acceleration

5. How do you use kinematic equations to solve problems?

To solve a kinematics problem, you need to identify the known and unknown variables, choose the appropriate kinematic equation, and rearrange the equation to solve for the unknown variable. It is also important to pay attention to units and use the correct equations for the given situation.

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