This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A ball is thrown vertically upwards at 24.5 m/s. For its complete trip (up and back down to the ... (Read 60 times)

vicotolentino

  • Hero Member
  • *****
  • Posts: 552
on: Jul 28, 2018
A ball is thrown vertically upwards at 24.5 m/s. For its complete trip (up and back down to the starting position), its average speed is
 a. 18.4 m/s.
  b. 12.3 m/s.
  c. 24.5 m/s.
  d. 6.1 m/s.
 e. not given.

Question 2

A parachutist jumps out of an airplane and accelerates with gravity to a maximum velocity of 68.6 m/s in 7.00 seconds. She then pulls the parachute cord and after a 4.00-second constant deceleration, descends at 10.5 m/s for 60.0 seconds, reaching the ground. From what height did the parachutist jump?
 a. 1.03E+3 m
  b. 7.88E+2 m
  c. 1.19E+3 m
  d. 1.66E+3 m
  e. 1.43E+3 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

a


vicotolentino

  • Member
  • Posts: 552
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Cryptorchidism. (a) In complete cryptorchidism, the testes of a newborn have failed to descend into Cryptorchidism. (a) In complete cryptorchidism, the testes of a newborn have failed to descend into
Muscles of the Torso Back Muscles of the Torso Back
How to complete the square How to complete the square
Standing at the head of the table, apply oil or lotion to the entire back with bilateral stroking. ... Standing at the head of the table, apply oil or lotion to the entire back with bilateral stroking. ...
Rhythmic sliding compression down both sides of the spine, with palmar friction back up to ... Rhythmic sliding compression down both sides of the spine, with palmar friction back up to ...
An overlapping record extends back thousands of years of tree ring width An overlapping record extends back thousands of years of tree ring width
Video: Exercise and cardiac output

For a complete list of videos, visit our video library