« previous next »

Author Question: An open freight car rolls friction free along a horizontal track in a pouring rain that falls ... (Read 92 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
An open freight car rolls friction free along a horizontal track in a pouring rain that falls vertically. As water accumulates in the car, the car's speed
 
  A) increases.
  B) decreases.
  C) doesn't change.
  D) need more information

Question 2

If a monkey floating in outer space throws his hat away, the hat and the monkey will both
 
  A) move away from each other, but at different speeds.
  B) move away from each other at the same speed.
  C) move a short distance and then slow down.
  D) move a short distance and then go faster.
  E) come to a stop after a few minutes.


Ddddd

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Themember4

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 29, 2018
TY


Ddddd

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

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

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern
Pour the injection system cleaning fluid into the open canister. Rubber gloves are highly ... Pour the injection system cleaning fluid into the open canister. Rubber gloves are highly ...
Stretching the shoulder muscles with arm in horizontal flexion. Stretching the shoulder muscles with arm in horizontal flexion.
Apply circular friction around the knee with the heels of the hands moving the skin over soft ... Apply circular friction around the knee with the heels of the hands moving the skin over soft ...
Apply circular friction to the area of the head around the base of the ears. Apply circular friction to the area of the head around the base of the ears.
Rain exercise Rain exercise
Video: Fetal Development of the Cardiovascular System

For a complete list of videos, visit our video library