« previous next »

Author Question: A woman who normally weighs 400 N stands on top of a very tall ladder so she is one Earth-radius ... (Read 190 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
Reply #2 on: Jul 29, 2018
Thanks


anoriega3

  • Sr. Member
  • ****
  • Posts: 323
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Earth Latitude Tilt Earth Latitude Tilt
Colles’ A break in the distal portion of the radius; often the result of reaching out to cushion a f Colles’ A break in the distal portion of the radius; often the result of reaching out to cushion a f
Tall pad extensions can also be used to gain access to the frame of a vehicle. This position is ... Tall pad extensions can also be used to gain access to the frame of a vehicle. This position is ...
Old Woman Old Woman
A silver wire with a resistivity of 1.59E-8 Ωm has a radius of 14.1 mm. A silver wire with a resistivity of 1.59E-8 Ωm has a radius of 14.1 mm.
African Woman African Woman
Video: Phases of mitosis

For a complete list of videos, visit our video library