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miv72 [106K]
3 years ago
15

a tuck at rest starts to move and accelerated by 4m/s in 25 secondd. what is the velocity of the truck at the end offf the time?

​
Physics
2 answers:
Reptile [31]3 years ago
8 0
Answer: 100 m/s
Explanation; 4x25
inysia [295]3 years ago
4 0

Answer:

100m/s

Explanation:

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Three identical 6.0-kg cubes are placed on a horizontal frictionless surface in contact with one another. The cubes are lined up
Westkost [7]

Answer:

24 N

Explanation:

m = mass of the cube = 6.0 kg

Consider the three cubes together as one.

M = mass of the three cubes together = 3 m = 3 (6.0) = 18 kg

a = acceleration of the combination = 2 ms⁻²

F = Force applied on the combination

Using Newton's second law

F = ma = (18) (2) = 36 N

F_{L} = Force by the left cube on the middle cube

Consider the forces acting on left cube, from the force diagram, we have

F - F_{L} = ma \\36 - F_{L} = (6) (2)\\F_{L} = 24 N

4 0
3 years ago
N a scientific investigation, what is the name for a prediction that can be tested?
ELEN [110]

A hypothesis is an educated prediction that can be tested.

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4 years ago
Please help on this one?
dezoksy [38]

the answer is heat engine

3 0
3 years ago
True or false 6.02x10^23 atoms of oxygen have a mass of 16g ?
il63 [147K]

Answer:

True

Explanation:

The atomic mass of oxygen is 16amu, which means the <em>molar mass</em>, the mass of one mole of oxygen atoms (1 mole = 6.02x10²³), is 16g.

5 0
3 years ago
Two football players are attempting to tackle each other. If one football player has a mass of 100 kg and pushes with a force of
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is it 20kg. Two opposing forces pushing onto each other

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