## What is the speed Mach?

Mach number (M or Ma) (/mɑːk/; German: [max]) is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound. By definition, at Mach 1, the local flow velocity u is equal to the speed of sound.

## How fast can we travel in space today?

By 2024, it’s projected to reach a maximum speed of 430,000 mph (692,000 km/h). As of the 27th of September 2020, the Parker Solar Probe has already accelerated to a speed of 289,927 mph (466,592 km/h) relative to the Sun, officially becoming the fastest spacecraft to date.

## What is the social construction approach?

Social constructionism is a theory of knowledge in sociology and communication theory that examines the development of jointly-constructed understandings of the world that form the basis for shared assumptions about reality. Another example of a social construction is the concept of self/self-identity.

## How fast is electricity in a wire?

In the case of an electrical cord connecting a table lamp or some other household item to a power source, the copper wire inside the cord acts as the conductor. This energy travels as electromagnetic waves at about the speed of light, which is miles per hour,1 or 300 million meters per second.

## What is gender key construct?

The socially constructed and culturally defined roles, responsibilities, attributes, and entitlements assigned to people based on their sex assigned at birth in a given setting, along with the power relations between and among the assigned groups.

## Can God change your past?

He can heal our bodies, our minds and even change the events of our life, for nothing is impossible for Him. There are so many places in the Bible where God actually changed the past. Consider all those whom He raised from the dead, the most famous and well-known was Jesus Christ Himself, in the glorious resurrection.

## What is the formula of time machine?

In fact, according to Albert Einstein’s famous equation, E = mc² , time travel is possible, at least in one direction.

## Which is faster light or sound?

The speed of light as it travels through air and space is much faster than that of sound; it travels at 300 million meters per second or 273,400 miles per hour.

## What is an example of social construction?

One way humans create social constructs is by structuring what they see and experience into categories. For example, they see people with different skin colors and other physical features and “create” the social construct of race.

Speed of light

## What is gender and how is it socially constructed?

Gender refers to the characteristics of women, men, girls and boys that are socially constructed. This includes norms, behaviours and roles associated with being a woman, man, girl or boy, as well as relationships with each other. As a social construct, gender varies from society to society and can change over time.

## How can we go in past?

The simplest way currently being discussed is to take a wormhole (a tunnel connecting spatially separated regions of space-time) and give one mouth of the wormhole a substantial velocity with respect to the other. Passage through the wormhole would then allow travel to the past.

v

## Is it possible to go back in time and change the past?

Time travel to the past is theoretically possible in certain general relativity spacetime geometries that permit traveling faster than the speed of light, such as cosmic strings, traversable wormholes, and Alcubierre drives.

## What is meant by social construction of gender?

The social construction of gender is a theory in feminism and sociology about the manifestation of cultural origins, mechanisms, and corollaries of gender perception and expression in the context of interpersonal and group social interaction.

H.G. Wells