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Eduardwww [97]
3 years ago
8

Brainliest given to the correct answer! Think carefully. In 2009, scientists at the Massachusetts Institute of Technology utiliz

ed very thin carbon nanotubes to make airplane skins and other products 10 times stronger. The prefix you use to express something that is multiplied by 10 is ___. 1. hecto- 2. zepto- 3. kilo- 4. mega- 5. deka-
Physics
1 answer:
Taya2010 [7]3 years ago
5 0

Answer:

zepto

Explanation:

You might be interested in
A large truck has more inertia than small car because it has more__
taurus [48]
The large truck can rest at a stable equilibrium as compare to the small,from the definition of inertia, <span>Inertia is the tendency of an object to remain at rest or in motion.</span>
6 0
3 years ago
Can the kinetic energy of an object be negative? Can the potential energy of an object be negative? Can a potential energy funct
IceJOKER [234]

Answer:

Kinetic energy cannot be negative

potential energy is a reference dependent quantity and it can be positive as well as negative both

Since potential energy is defined only for conservative force so it can not be found for friction force

Explanation:

Kinetic energy of an object is given by the formula

KE = \frac{1}{2}mv^2

here we know that

m = mass of object that can not be negative

v = speed of the object and since its square is given here so it can not be negative

so Kinetic energy is always positive

potential energy is given as the energy due to the virtue of the position of object

so it is

\Delta U = -\int F.dr

so potential energy is a reference dependent quantity and it can be positive as well as negative both

Since potential energy is defined only for conservative force so it can not be found for friction force

5 0
4 years ago
Can sombody help me out real quick?
Brut [27]

Answer:

I did this essay before, its not hard. Just read through it carefully and you'll figure it out. or just ask you mom, dad, guardian, or teacher for help

8 0
3 years ago
Pelden pushes a box of mass 30 kg with a force of 60 N. What is the
Firlakuza [10]

Answer:

Mass = 30kg

Force = 60N

Acceleration = ?

So

F = m/a

or

a = m/f

a = 30kg/ 60N

0.5ms^2 Answer

7 0
3 years ago
Suppose you take two non-zero displacements represented by vectors A &amp; B.The magnitude of A is 5 m and the magnitude of B is
olga55 [171]

Answer:

a. When the total displacement is -(A + B)

b. A + B = 1 m or -(A + B) = -11 m

c. 0 m

Explanation:

a. Under what circumstances can you end up back at your starting point?

If we have the displacement A and displacement B. The total displacement is A + B. We would end up at the starting point if we take a displacement -(A + B) from point B

b. What is the magnitude of the largest displacement you can end up from the starting point?

The maximum displacement we can obtain is when A and B are in the same direction. So A + B = 5 m + 6 m = 11 m or -A - B = -(A + B) = -11 m.

c. When A and B are perpendicular, what is the component of B in the direction of A?

Since A is perpendicular to B, the angle between A and B is 90°

So the component of B in A,s direction is Bcos90° = B × 0 = 0 m

8 0
4 years ago
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