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alexandr1967 [171]
3 years ago
10

Describe a situation where you could properly conclude that a set of data is precise but

Physics
1 answer:
Orlov [11]3 years ago
4 0
It’s not arrested because if you look closer it’s plug walk I don’t even understand how it talk tho
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A net force of +15 N changes the momentum of an object by +100 kg-m/s. What is the time over which the force is applied? (please
sattari [20]
As momentum / time = force
so; time = 100÷15

so your answer is 6.7 !!
3 0
3 years ago
An 100 kg object traveling at 50 m/s collides (perfectly inelastic) with a 50 kg object initially at rest.
qaws [65]

Answer:

Option C. 5,000 kg m/s

Explanation:

<u>Linear Momentum on a System of Particles </u>

Is defined as the sum of the momenta of each particles in a determined moment. The individual momentum is the product of the mass of the particle by its speed

P=mv

The question refers to an 100 kg object traveling at 50 m/s who collides with another object of 50 kg object initially at rest. We compute the moments of each object

m_1=(100\ kg)(50\ m/s)=5,000\ kg\ m/s

m_2=(50\ kg)(0\ m/s) = 0

The sum of the momenta of both objects prior to the collision is

P=5,000\ kg\ m/s+0\ kg\ m/s

\boxed{ P=5,000\ kg\ m/s}

7 0
3 years ago
A resistor is connected to a 36v power supply. An ammeter measures a current of 2.0 A going through it. Determine the resistance
m_a_m_a [10]

R = 18 ohms

Explanation:

Given:

V = 36 volts

I = 2.0 A

R = ?

Use Ohm's law to solve for the resistance:

V = IR

or

R = V/I

= (36 volts)/(2.0 A)

= 18 ohms

8 0
2 years ago
Which careers typically require post-secondary education other than vocational school? Check all that apply. Boiler Operation Co
In-s [12.5K]

Answer: Construction management, Architecture, Civil Drafting.

Explanation: hope this helps :)

5 0
3 years ago
Read 2 more answers
Incident rays parallel to the axis of a concave mirror reflect parallel to the axis.
coldgirl [10]
No they don't.  Incident rays parallel to the axis of a concave mirror
reflect from the mirror's surface and converge at its focal point.
3 0
3 years ago
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