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3 years ago

The term time dilation refers to which effect?

Physics

2 answers:

RoseWind [281]3 years ago

6 0

Is the apparent loss of time of a moving clock as observed by a stationary observer. Thats what i think.

Strike441 [17]3 years ago

6 0

In the theory of relativity, time dilation is a difference of elapsed time between two events as measured by observers either moving relative to each other or differently situated from a gravitational mass or masses.

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The momentum of an object is determined to be 7.2 x 10-3 cm kg x m/s. Express this as provided or use any equivalent unit. How i

Leno4ka [110]

Complete Question:

The momentum of an object is determined to be 7.2 × 10-3 kg⋅m/s. Express this quantity as provided or use any equivalent unit. (Note: 1 kg = 1000 g).

Answer:

7.2 gm/s.

Explanation:

Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity because it has both magnitude and direction.

Mathematically, momentum is given by the formula;

$Momentum = mass * velocity$

Given the following data;

Momentum = 7.2 * 10^-3 kgm/s

1 kg = 1000 g

Substituting the unit in kilograms with grams, we have;

Momentum = 7.2 * 10^-3 * 1000 gm/s

Momentum = 7.2 gm/s.

7 0

3 years ago

An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only

Gnesinka [82]

Answer:

15.75 m/s

Explanation:

v = Velocity of the combined mass of astronaut and tools = 1.8 m/s

$m_1$ = Mass of astronaut = 124 kg

$m_2$ = Mass of tools = 16 kg

$v_1$ = Velocity of astronaut = 0

$v_2$ = Velocity of tools

As linear momentum is conserved

$m_1v_1 + m_2v_2 =(m_1 + m_2)v\\\Rightarrow v_2=\frac{(m_1 + m_2)v-m_1v_1}{m_2}\\\Rightarrow v_2=\frac{(124+16)\times 1.8-124\times 0}{16}\\\Rightarrow v_2=15.75\ m/s$

The velocity of the tools is 15.75 m/s

3 0

3 years ago

Which change can make a generator stronger?

Mice21 [21]

increasing the number of coils in the armature

4 0

3 years ago

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Which of these could be the dimensions of an object with a volume of 1 cm³?

Crazy boy [7]

1cm × 1cm × 1cm is answer

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3 years ago

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A circuit consists of a conducting movable bar and a lightbulb connected to two conducting rails as shown in the figure below. A

IrinaVladis [17]

Moving the bar to the left or the right will cause emf to be generated, making the bulb light up. The first two options are correct.
Moving parallel to the field or not moving at all and increasing or decreasing the intensity of the field will not make the bulb light up because no current will be induced.

6 0

3 years ago