Author Question: A woman who normally weighs 400 N stands on top of a very tall ladder so she is one Earth-radius ... (Read 219 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
A woman who normally weighs 400 N stands on top of a very tall ladder so she is one Earth-radius above Earth's surface. What is her weight there?
 
  A) zero
  B) 100 N
  C) 200 N
  D) 400 N
  E) none of the above

Question 2

A projectile is shot horizontally at 23.4 m/s from the roof of a building 55 m tall and experiences negligible air resistance.
  (a) Determine the time necessary for the projectile to reach the ground below.
 
  (b) Determine the distance from the base of the building that the projectile lands.
  (c) Determine the horizontal and vertical components of the velocity just before the projectile reaches the ground.



anoriega3

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

Answer: B

Answer to Question 2

(a) 3.4 s (b) 78 m (c) vhoriz = 23.4 m/s, vvert = 33 m/s downward



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

For a complete list of videos, visit our video library