Which physical quantities are related by the kinematic equations in one-dimensional motion under constant acceleration?
2. 1D Motion / Kinematics
Kinematics Equations
- Multiple Choice2views
- Multiple Choice
Given a graph that is a straight line with a constant positive slope, the motion in the figure is best described as:
- Multiple Choice
Which of the following statements is a prediction based on equations?
1views - Textbook Question
A baseball pitcher throws a baseball with a speed of 43 m/s. Estimate the average acceleration of the ball during the throwing motion. In throwing the baseball, the pitcher accelerates it through a displacement of about 3.5 m, from behind the body to the point where it is released (Fig. 2–44).
<IMAGE>
1views - Multiple Choice
In the context of kinematics, which of the following statements is true in the limit of large acceleration (that is, as ) for an object starting from rest under constant acceleration?
- Multiple Choice
Which characteristic does not describe the of a in ?
1views - Multiple Choice
A motorcyclist starts from rest and accelerates in a straight line. The table below shows the position of the motorcyclist at different times. Which kinematic equation best describes the relationship between position , initial position , acceleration , and time for this motion?
2views - Multiple Choice
In kinematics, which equation relates initial velocity, final velocity, acceleration, and displacement, and what is it commonly called?
- Multiple Choice
Which of the following statements correctly describes the relationship between displacement, initial velocity, time, and acceleration in kinematics?
1views - Multiple Choice
John is rollerblading down a long, straight path with an initial velocity of and accelerates uniformly at . What is his velocity after ?
- Multiple Choice
An object moves along a trajectory given by for seconds. How far does it travel during this time interval?
- Multiple ChoiceIn one-dimensional motion with constant acceleration, an object starts with initial velocity and travels a displacement under constant acceleration . Which expression gives the time to travel this distance (assume and )?
- Multiple Choice
A car starts from rest and accelerates uniformly at for a time . Which equation correctly gives the distance traveled by the car during this time?
- Multiple Choice
A car is traveling at an initial speed of when the driver sees a deer meters ahead and immediately applies the brakes, coming to a stop with constant acceleration (where ). If the car stops before reaching the deer, how much distance is left between the car and the deer when it comes to a stop?
- Textbook Question
You are driving to the grocery store at 20 m/s. You are 110 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.50 s and that your car brakes with constant acceleration. What magnitude braking acceleration will bring you to a stop exactly at the intersection?