Some help me on this please

Physics

1 answer:

satela [25.4K]2 years ago

8 0

Answer:

Changes in the object's momentum (answer D)

Explanation:

A net force will cause an object to change its velocity, and that will affect the object's momentum, which is defined by the product of the object's mass times its velocity.

So, select the last option (D) in the given list.

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A circuit consists of a 171- resistor and a 0.158-H inductor. These two elements are connected in series across a generator that

kotykmax [81]

Answer:

a ) I= 1.635-i0.0021 b) ∅= -0.074

Explanation:

a) reactive impeadance= 2πfL

=2(3.14)(147)(0.158)

=145.86 Ω

Z= 171+j145.86

I=V/Z

I=278/(171+j145.86)

I= 1.635-i0.0021

b) ∅=inv.tan (-0.0021/1.635)

∅=-0.074

6 0

3 years ago

Dmitrij [34]

Take 10m/s^2 for the gravitational acceleration, as we know this is a free fall, we can use the equation: d=1/2*g*t^2

Substitute g=10m/s^2, t=5s, d=125m

7 0

2 years ago

Dos masas de 8kg es tan unidas en el extremo de una varilla de aluminio de 400mm de longitud. La varilla está sostenida en su pa

enyata [817]

Answer:

The maximum frequency of revolution is 3.6 Hz.

Explanation:

Given that,

Mass = 8 kg

Distance = 400 mm

Tension = 800 N

We need to calculate the velocity