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IrinaK [193]
3 years ago
7

PLEASE help with this!!! i'll give brainliest if right!!

Physics
2 answers:
jenyasd209 [6]3 years ago
7 0
Decrease increase is all of the answers for the graph
KATRIN_1 [288]3 years ago
3 0
1: decreases, increases, increases, stays the same
2: decreases, increases, increases, stays the same
3: increases, decreases, decreases, stays the same
4: increases, decreases, decreases, stays the same
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Newton’s Second law of Motion (F = ma) is one of the basis of forces and motion. How is it very similar to his First law and why
koban [17]

Answer:

First law can be deduced from second law.

Acceleration may determine the position and velocity of the system.

Explanation:

When net force is zero, the second law is 0 = ma, or the motion is at constant speed. Thus first law establishes that when there are no forces, the object moves at constant speed, so first law is explained by using the second.

If you determine the acceleration of a system, you may use calculus or kinematic equations to determine velocity and position of the particle and determine how it moves. This is very important in mechanics and engineering, for example, for spacecrafts, forensic situations, etc.

4 0
3 years ago
How can recycling impact the environment
brilliants [131]

Answer:

A. It uses less energy to make something from recycled materials than from new materials.

Explanation:

I think it is this one because it is the only one that is not harmful to the environment. Also, I took the test a few minutes ago.

4 0
4 years ago
To find the mass defect for uranium-238 several calculations must be made. Which is the calculation that should be made first? A
BaLLatris [955]

mass number of uranium 238 is sum of number of proton and neutrons in it

While atomic number is just number of protons

So total number of protons in it = 92

total number of neutrons in it = 238  - 92 = 146

mass of proton = 1.0073 amu

mass of neutron = 1.0087 amu

now for the calculation of mass of nuclei is given as

M = zm_p + (A-z)m_n

M = 92(1.0073) + 146(1.0087)

so option B is correct

3 0
4 years ago
An insulator
lbvjy [14]
D.Both B and C
As they not allow heat to pass through and usually non metal
5 0
3 years ago
Read 2 more answers
Using two spring scales, students pull on opposite sides of a dynamic cart at rest. 7 Newtons of force is pulling left and 5 New
kirill [66]

Answer:

The cart will accelerate to the left

Explanation:

The cart is initially at rest. In order to understand its motion, we should consider the net force acting on the cart. We have two forces acting on it:

- A force of 7 N to the left

- A force of 5 N to the right

Therefore, the net force is

F=7 N -5N=2 N

in the direction of the stronger force (so, to the left).

According to Newton's second law:

F=ma

a net force different from zero produces an acceleration of the object, in the same direction as the net force. Therefore, the cart will accelerate to the left.

7 0
3 years ago
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