A diver performs a dive from the 10 m platform. At the instant of take-off his centre of mass is 1.25 m above the platform. At the instant his hands first touch the water (entry) his centre of mass is 1.05 m above the water. The diver's mass is 74 kg. a) What is the diver's potential energy at the instant of take-off? b) What is the diver's kinetic energy just before entry? c) What was the diver's vertical velocity at entry? Take into account the direction of movement. Please report your answers to 2 decimal places and in Sl units. a) Answer: Unit: b) Answer: Unit: c) Answer Unit

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
Question

A diver performs a dive from the 10 m platform. At the instant of take-off his centre of mass is 1.25 m above the platform. At the instant his hands first touch the water (entry) his centre of mass is 1.05 m above the water. The diver's mass is 74 kg.

a) What is the diver's potential energy at the instant of take-off? 

b) What is the diver's kinetic energy just before entry? 

c) What was the diver's vertical velocity at entry? Take into account the direction of movement. 

In 2 decimal places and in SI units. 

A diver performs a dive from the 10 m platform. At the instant of take-off his centre of mass is 1.25 m above the platform. At the instant his hands first touch the water (entry)
his centre of mass is 1.05 m above the water. The diver's mass is 74 kg.
a) What is the diver's potential energy at the instant of take-off?
b) What is the diver's kinetic energy just before entry?
c) What was the diver's vertical velocity at entry? Take into account the direction of movement.
Please report your answers to 2 decimal places and in Sl units.
a) Answer:
Unit:
b) Answer:
Unit:
c) Answer:
Unit:
Transcribed Image Text:A diver performs a dive from the 10 m platform. At the instant of take-off his centre of mass is 1.25 m above the platform. At the instant his hands first touch the water (entry) his centre of mass is 1.05 m above the water. The diver's mass is 74 kg. a) What is the diver's potential energy at the instant of take-off? b) What is the diver's kinetic energy just before entry? c) What was the diver's vertical velocity at entry? Take into account the direction of movement. Please report your answers to 2 decimal places and in Sl units. a) Answer: Unit: b) Answer: Unit: c) Answer: Unit:
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Power
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
  • SEE MORE 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