In an alien planet, in which the acceleration due to gravity is constant, a rocket is launched straight up. The velocity at t = 3.00 s is 10 m/s upward. Then, at t = 7.00 s, the velocity is -4.00 m/s downward. a. Draw a sketch of the situation. What is the initial velocity of the rocket?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
icon
Related questions
icon
Concept explainers
Topic Video
Question

Stuck need help!

Problem is attached. please view attachment before answering. 

Really struggling with this concept.

Please explain so I can better understand !

Thank you so much

In an alien planet, in which the acceleration due to gravity is constant, a rocket is launched
straight up. The velocity at t = 3.00 s is 10 m/s upward. Then, at t = 7.00 s, the velocity is -4.00
m/s downward. a. Draw a sketch of the situation. What is the initial velocity of the rocket?
Transcribed Image Text:In an alien planet, in which the acceleration due to gravity is constant, a rocket is launched straight up. The velocity at t = 3.00 s is 10 m/s upward. Then, at t = 7.00 s, the velocity is -4.00 m/s downward. a. Draw a sketch of the situation. What is the initial velocity of the rocket?
Expert Solution
Step 1

This is a problem regarding the vertical motion of a body under a constant acceleration.

The equations of motion that needs to be used in this problem is:
v=u+at,
where,
v is the final velocity,
u is the initial velocity,
a is the acceleration and
t is the time.

The acceleration is acting downwards. Hence, when the vehicle is going up, the acceleration reduces the velocity, and the vehicle is going down, the acceleration increases the velocity.

The values given in the question are:
The velocity of the vehicle at 3.00 s is: v1=10 m/s
The velocity of the vehicle at 7.00 s is: v2=-4.00 m/s

steps

Step by step

Solved in 7 steps with 1 images

Blurred answer
Knowledge Booster
Displacement, velocity and acceleration
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON