« previous next »

Author Question: It takes 40 J to push a large crate 4 m across a floor. The force exerted on the crate is A) 4 N. ... (Read 45 times)

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
on: Jul 29, 2018
It takes 40 J to push a large crate 4 m across a floor. The force exerted on the crate is
 
  A) 4 N.
  B) 10 N.
  C) 40 N.
  D) 160 N.
  E) 1600 N.

Question 2

At the same moment, one rock is dropped and one is thrown downward with an initial velocity of from the top of a building that is 300 m tall. How much earlier does the thrown rock strike the ground? Neglect air resistance.
 
  What will be an ideal response?


ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

2.4 s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Southern Royal Albatross, Diomedea epomophora, is a large seabird from the albatross family. Southern Royal Albatross, Diomedea epomophora, is a large seabird from the albatross family.
The Sun giving out a large geomagnetic storm The Sun giving out a large geomagnetic storm
Three toddlers sit on the floor playing with a toy. Three toddlers sit on the floor playing with a toy.
drag force drag force
A taproot system consists of a large main root together with its lateral branchings A taproot system consists of a large main root together with its lateral branchings
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library