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kari74 [83]
3 years ago
8

If my mass is 105 kilograms; what is my weight on Earth?

Physics
1 answer:
lyudmila [28]3 years ago
6 0

Answer:

1029N

Explanation:

use W =mg and get answer

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A magnetic hockey puck (0.40 kg) hits another hockey puck (0.40 kg) at rest and both travel together to the right at 8.0 m/s. Ho
DaniilM [7]
This problem can be solved through the Inelastic Collision Formula:
mass1 x in.velocity1 + mass2 x in.velocity2 = mass1+mass2 (final velocity)

Substituting the values, we have:
0.40 kg x in.velocity1 + 0.40 kg x 0 m/s = 0.80 kg (8.0m/s)

Solving for the unknown initial velocity of the moving hockey puck we have:
in.velocity1 = (6.4 kgm/s - 0) / 0.40 kg
= 16 m/s 
6 0
4 years ago
Read 2 more answers
A bug on the surface of a pond is observed to move up and down a total vertical distance of 6.5 cm , from the lowest to the high
m_a_m_a [10]

Answer:

factor that bug maximum KE change is 0.52284

Explanation:

given data

vertical distance = 6.5 cm

ripples decrease to =  4.7 cm

solution

We apply here formula for the KE of particle that executes the simple harmonic motion that is express as

KE = (0.5) × m × A² × ω²     .................1

and kinetic energy is  directly proportional to square of the amplitude.

so

\frac{KE2}{KE1} =  \frac{A2^2}{A1^2}      .............2

\frac{KE2}{KE1} = \frac{4.7^2}{6.5^2}

\frac{KE2}{KE1} = 0.52284

so factor that bug maximum KE change is 0.52284

5 0
4 years ago
What is tan(61)?<br> А. 1.80<br> B. 0.49<br> C. 0.61<br> D. 0.87
pav-90 [236]

Answer:

The answer of tan(61) is:

A= 1.80

7 0
3 years ago
When the wagon's brakes are off, the engine pulls the wagon forwards. A
Greeley [361]

Answer:

Backwards

Explanation:

Friction always acts in the direction opposing motion so if the motion of the wagon is forward, friction acts backwards.

3 0
4 years ago
Five friends each do the same amount of work lifting crates up onto shelves. The time it took each person are shown below in the
hichkok12 [17]
Amy 1.5 Andrew 1.7 Tom 2.2 Meg 2.5 Ryan 3.2
8 0
3 years ago
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