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NISA [10]
3 years ago
15

What is the greatest velocity which a falling object can achieve while falling through the air?

Physics
1 answer:
Alik [6]3 years ago
6 0

Answer:

Terminal Velocity

Explanation:

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A 1200 kg car accelerates from 13 m/s to 17 m/s. find the change in momentum of the car.
mixas84 [53]
P=4800kgm/s
As
p=mΔv
where p is momentum, m is mass and v is velocity
Given values is
m =1200kg
Δv= 17m/s-13m/s=4m/s
Now
p=mΔv
p=(1200kg)*(4m/s)
p=4800kgm/s


8 0
1 year ago
Does the car's<br> speed alone<br> determine<br> whether the egg<br> breaks?
blsea [12.9K]

Answer:

yes it is

Explanation:

when the speed increases the car will vibration than egg will breaks

4 0
2 years ago
Read 2 more answers
Romeo (81.0 kg) entertains Juliet (53.0 kg) by playing his guitar from the rear of their boat at rest in still water, 2.70 m awa
den301095 [7]

Answer:

0.64 m

Explanation:

The first thing is calculate the center of mass of the system.

X_{cm}= \sum_{n=1}^{n}\frac{X_n\times M_n}{M_n}

now multiplying every coordinate x by the mass of each object (romeo, juliet and the boat) and dividing all by the total mass  taking by reference the position of juliet.

X_{cm}=\frac{53\times0 +81\times2.7+79\times1.35}{53+81+79}

X_cm = 1.4589 m

When the forces involved are internals, the center of mass don't change  

After the movement the center of mass remains in the same distance from the shore, but change relative to the rear of the boat.

X_{cm}=\frac{79\times1.35+(81+53)\times2.7}{53+81+79}

X_cm= 2.10 m

this displacement is how the boat move toward the shore.

2.10-1.46= 0.64 m

5 0
3 years ago
An object that is spinning, but not orbiting anything, has zero angular momentum.
Masteriza [31]
The answer is fals:)
4 0
3 years ago
2. Compare the names of the metal elements by themselves to their names what they are part of andows
steposvetlana [31]

this question is unclear. please specify.

4 0
3 years ago
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