The amount of matter in a substance or object is called:
??? What the answer

Answers

Answer 1

Answer:

Answer:

mass!!

Explanation:

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Scientists have found ancient rock formations dating to the late Proterozoic eon in South America. These ancient rocks can be found from the eastern edge of South America's continental shelf, which extends just off the coast of Brazil, to the interior of the continent. This general location is indicated by a green circle on the map below. Scientists have also found rock formations made out of the same type of rock and from the very same eon at another location. The location of this second group of rock formations strongly supports the current theory of plate tectonics.

Where is the second rock formation most likely located?

Answers

Answer:

that not the answer the answer is off the cost of Africa

Explanation:

Answer: Australia

Explanation:

Modern scientists say that electrons are found in a ...a. cloud
b. orbital
c. pudding
d. orb

Answers

B) orbital

Each electron has at most 2 orbitals with s,d and more.

Brainliest?

I think it might be a or d i hope i have helped :)

Protons and electrons possess the same amount of charge, 1.6 × 10−19 C, but the charges have opposite signs. If a proton and an electron are positioned 4.9 × 10−11 m away from each other, what is the electrostatic force between them?A.
−9.6 × 10−8 N
B.
−6.0 × 10−7 N
C.
4.7 × 10−36 N
D.
2.9 × 10−17 N

Answers

Answer:

A:-9.6×10-8 N

Explanation:

is correct answer

How do you do this problem? I started it but I’m not sure how to do the rest.

Answers

Answer:

84.9°

Explanation:

You correctly found the acceleration and the net force in the x direction. Now write the net force as the sum of the x components of the individual forces.

∑F = F₁ + F₂ cos θ

3.6 = 2.8 + 9.0 cos θ

0.8 = 9.0 cos θ

0.0889 = cos θ

θ = ±84.9°

F₂ is either 84.9° above the x-axis or below the x-axis.

SCIENCE HELP If you are applying a force to an object and another person is applying another force to the object what is going to happen to the object? Construct your hypothesis using an “If…, then…” statement.

Answers

if the vector sum of the force applied by you and the force applied by another person is zero, then the object will not accelerate since the net force on the object is zero in this case. hence the object will not move at all or if it was already moving , will move at constant velocity.

if the vector sum of the force applied by you and the force applied by another person is non-zero, then the object will not accelerate since there is net force on the object in this case. hence the object will accelerate.

"A car accelerates at a rate of 3.0 m/s2. If its original speed is 8.0 m/s, how many seconds will it take the car to reach a final speed of 23.0 m/s?"