3. A cellphone is accidentally dropped from the roof of a building. How fast isit traveling after 9 s? How far would it have fallen? Assume the building istall enough for the object to have not hit the ground during this time andneglect air resistance.4. A stone is thrown upwards with an initial velocity of 12 m/s. At what timet (in seconds) would the stone hit the ground?5. A record of travel along a straight path is as follows:1. Start from rest with a constant acceleration of 2.77 m/s² for 15.0 s.2. Maintain a constant velocity for the next 2.05 min.3. Apply a constant negative acceleration of 29.47 m/s² for 4.39 s.(a) What was the total displacement for the trip?

Since you have asked multiple question, we will solve the first question for you. If youwant any…

Answered: A cellphone is accidentally dropped…

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)...

See similar textbooks

Similar questions

A pole vaulter is momentarily motionless as he clears the bar, which is set 4.2 m above the ground. He then falls onto a thick cushion. The top of the cushion is 80 cm above the ground, and it compresses by 50 cm as the pole vaulter comes to rest. What is his acceleration as he comes to rest on the cushion?
2. An object of mass 200 g (0.2 kg) is thrown vertically upwards with a velocity of 8 m/s from a height of 10 m above the ground. It reaches certain maximum height and falls straight back to ground. Ignore air resistance in this problem. (a) Draw v-t graph that represents the velocity of the object after it is launched upwards and until it hits the ground. (b) How long does it take for the object to reach the maximum height? (c) What is the maximum height of the object from the ground? (d) How long does it take for the object to reach the ground from the highest point of motion? (e) What is the velocity of the object as it reaches ground? (Hint: Not zero).
You are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the Empire State Building Before the state legislature votes on funding for the project, they would like you to prepare a report on the benefits of upgrading the elevators. One of the numbers that they have requested is the time it will take the elevator to go from the ground floor to the 102nd floor observatory. They are unlikely to approve the project unless the new elevators make the trip much faster than the old elevators. If state law mandates that elevators cannot accelerate more than 2.40 m/s² or travel faster than 11.3 m/s, what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? minimum travel time:
An object is thrown vertically downward at 18 m/s from a window and hits the ground 1.6 s later. What is the height of the window above the ground? (Air resistance is negligible.)
8. A 200 kg weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 30 m/s² for 30 s, then runs out of fuel. Ignore any air resistance effects. (a) What is the rocket's maximum altitude? (b) How long is the rocket in the air before hitting the ground?
If a 1.3 kg ball is dropped from the top of a 33.7 meter tall building, what is the maximum velocity of the ball just before it hits the ground?
Omar throws a rock down with speed 14 m/s from the top of a tower. The rock hits the ground after 6.8 s. What is the height of the tower? (air resistance is negligible)
Kalea throws a baseball directly upward at time t = 0 at an initial speed of 14.5 m/s. How high h does the ball rise above its release point? Ignore air resistance and use g = 9.80 m/s². h = m
A baseball player throws a 0.2 kg ball (Ball A) from the top of a 10 m tall hill with a velocity of 40 m/s. How long was the ball in the air? How far did the ball land from the cliff?
A worker at the top of a 425-m-tall television transmitting tower accidentally drops a heavy tool. If air resistance is negligible, how fast (in m/s) is the tool going just before it hits the ground?
Omar throws a rock down with speed 8.5 m/s from the top of a tower. The rock hits the ground after 5.4 s. What is the height of the tower? (air resistance is negligible)
A dolphin jumps straight up out of the water at a velocity of 12 m/s. How high does his body rise above the water before he comes to a stop due to gravity pulling downward at 9.8 m/52 ?

SEE MORE QUESTIONS

Recommended textbooks for you

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

Physics for Scientists and Engineers

Physics

ISBN:

9781337553278

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

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…

Physics

ISBN:

9780134609034

Author:

Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

Publisher:

PEARSON

SEE MORE TEXTBOOKS

A cellphone is accidentally dropped from the roof of a building. How fast is it traveling after 9 s? How far would it have fallen? Assume the building is tall enough for the object to have not hit the ground during this time and neglect air resistance.