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

Author Question: A ball is thrown vertically upwards at 29.4 m/s. For its complete trip (up and back down to the ... (Read 92 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Jul 28, 2018
A ball is thrown vertically upwards at 29.4 m/s. For its complete trip (up and back down to the starting position), its average speed is:
 a. 14.7 m/s.
  c. 4.90 m/s.
  b. 9.80 m/s.
  d. not given.

Question 2

A parachutist jumps out of an airplane and accelerates with gravity to a maximum velocity of 58.8 m/s in 6.00 seconds. She then pulls the parachute cord and after a 4.00-second constant deceleration, descends at 10.0 m/s for 80.0 seconds, reaching the ground. From what height did the parachutist jump?
 a. 914 m
  c. 1520 m
  b. 1110 m
  d. 1750 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chevyboi1976

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


sabina

  • Member
  • Posts: 563
Reply 2 on: Jul 28, 2018
Wow, this really help

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

In a craniotomy, a portion of the skull and overlying scalp is pulled back to allow access to the br In a craniotomy, a portion of the skull and overlying scalp is pulled back to allow access to the br
Sam Houston—and his horse—earned this heroic tribute. At the Battle of San Jacinto, a musket ball sh Sam Houston—and his horse—earned this heroic tribute. At the Battle of San Jacinto, a musket ball sh
"To begin the pull-back exercise, grasp wrists, then lean back and balance." "To begin the pull-back exercise, grasp wrists, then lean back and balance."
A typical ball-peen hammer. A typical ball-peen hammer.
Reconnect the lower back with the shoulder with a few deep effleurage strokes. Then place one hand ... Reconnect the lower back with the shoulder with a few deep effleurage strokes. Then place one hand ...
A soccer ball is released from rest at the top of a grassy incline. After 8.6 seconds, the ball ... A soccer ball is released from rest at the top of a grassy incline. After 8.6 seconds, the ball ...
Video: Immune responses Animation

For a complete list of videos, visit our video library