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

Author Question: An astronaut on another planet drops a 1-kg rock from rest. The astronaut notices that the rock ... (Read 86 times)

karateprodigy

  • Hero Member
  • *****
  • Posts: 550
An astronaut on another planet drops a 1-kg rock from rest. The astronaut notices that the rock falls 2 meters straight down in one second. On this planet, how much does the rock weigh?
 
  A) 1 N
  B) 4 N
  C) 5 N
  D) 10 N

Question 2

A feather and a coin will have equal accelerations when falling in a vacuum because
 
  A) their velocities are the same.
  B) the force of gravity is the same for each in a vacuum.
  C) the force of gravity does not act in a vacuum.
  D) the ratio of both the feather's and coin's weight to mass is the same.
  E) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D




karateprodigy

  • Member
  • Posts: 550
Reply 2 on: Jul 29, 2018
Wow, this really help


bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library