A rock is tossed straight up with a speed of 26 m/s. When it returns, it falls into a hole 13 m deep. **Question:** How long is the rock in the air, from the instant it is released until it hits the bottom of the hole? **Instructions:** Express your answer in seconds. **Answer Box:** - **t =** [Input Field] s - **Submit Button** **Additional Options:** - Previous Answers - Request Answer **Feedback Area:** - Message: "Incorrect; Try Again; 3 attempts remaining."
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
![**Question:**
How long is the rock in the air, from the instant it is released until it hits the bottom of the hole?
**Instructions:**
Express your answer in seconds.
**Answer Box:**
- **t =** [Input Field] s
- **Submit Button**
**Additional Options:**
- Previous Answers
- Request Answer
**Feedback Area:**
- Message: "Incorrect; Try Again; 3 attempts remaining."](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffea86598-763f-4f77-8aa1-6d0907d2b5d9%2F2907fc21-a063-41e8-8340-57adac154910%2Fv5ismvr_processed.jpeg&w=3840&q=75)
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