1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
stepladder [879]
2 years ago
10

Jack tries to place magnets on the door of his refrigerator. he observes that the magnets don't stick. he guesses that the door

of the refrigerator is made of a non magnetic substance. what stage of scienctific investigation does his guess represent
a. ask questions
b. construct a hypothesis
c. explain the results
d. make observation
Physics
1 answer:
Tasya [4]2 years ago
3 0

Answer:D

Explanation:

Because u have to make observation then ask a question

You might be interested in
For most people, getting 8 to 9 hours of sleep increases concentration, improves physical health, and improves one's mood.
olga2289 [7]
That statement is true
8 0
3 years ago
Read 2 more answers
How many variables should there be in a well-designed experiment?
s344n2d4d5 [400]

Answer:

1

Explanation:

8 0
3 years ago
PSYCHOLOGY! A _________ is a graphical representation of association between variables.
pshichka [43]

Answer:

A. Scatterplot

Explanation:

because it is

5 0
3 years ago
Read 2 more answers
I WILL GIVE YOU BRAINLIEST IF YOU ANSWER THOS QUESTION IN THE NEXT 5 MINUTES!!
schepotkina [342]

Answer:

the blue shopping cart.

Explanation:

The blue shopping cart doesnt have to worry about running someone over in the front. The red one does, so it slows down more.

7 0
2 years ago
How are lasers used to determine the distance from earth to the moon?
mezya [45]
A beam of laser is directed at a reflecting surface put on the moon when the beam of laser is reflected a receiver on the each measure the time since the beam was sent till it was received. Laser is simply light so it has constant velocity in vacuum ~ air  (c = 3 x 10^8 m/s)

to find the distance:

t : time measured between launching the beam and receiving it 

d : distance

d = ct 

5 0
2 years ago
Read 2 more answers
Other questions:
  • Which one of the following is NOT a simple machine?
    14·1 answer
  • Give an example of an energy conversion that produces an unwanted form of energy.
    9·1 answer
  • Describe how switching the desk lamp on and off shows that light waves transfer energy
    6·2 answers
  • The two long straight wires are separated by a distance of d = 0.40 m. The currents are to the right in the upper wire and to th
    6·1 answer
  • an object which has a mass of 70 kg is sitting on a cliff 10 m high calculate the objects gravitational potential energy given g
    7·1 answer
  • Select all the substances that can transmit sound waves.
    7·2 answers
  • What does overloading your muscles accomplish?
    12·2 answers
  • A person hangs from a nylon rope (Young's modulus of 5 x 109 N/m2) as seen in the picture below. The rope stretches by 2 % and h
    6·1 answer
  • A copper rod has a length of 1.3 m and a cross-sectional area of 3.6 10-4 m2. One end of the rod is in contact with boiling wate
    6·1 answer
  • A source charge generates an electric field of 1236 N/C at a distance of 4 m. What is the magnitude of the source charge?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!