This topic contains a solution. Click here to go to the answer

Author Question: A projectile is launched straight upward at 50 m/s. Neglecting air resistance its speed upon ... (Read 60 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
A projectile is launched straight upward at 50 m/s. Neglecting air resistance its speed upon returning to its starting point is
 
  A) less than 50 m/s.
  B) 50 m/s.
  C) more than 50 m/s.

Question 2

A child throws a ball with an initial speed of 8.0 m/s at an angle of 40 above the horizontal. The ball leaves her hand 1.0 m above the ground.
 
  Neglect air (a) How far from where the child is standing does the ball hit the ground? (b) How long is the ball in flight before it hits the ground? (c) What is the magnitude of the ball's velocity just before it hits the ground?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sylvia

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

Answer: B

Answer to Question 2

(a) 7.5 m (b) 1.2 s (c) 9.1 m/s




tfester

  • Member
  • Posts: 534
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it


adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

For a complete list of videos, visit our video library