# What is the average momentum of a 70 kg runner who covers 400 m in 50 s?

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## What is the average momentum of a 70 kg runner who covers 400 m in 50 s?

Final answer: The average momentum of the 70-kg runner who covers 400 m in 50 s is 0.56 kg·km/s.

## What is the formula for the momentum of the ball?

The momentum, p , of a body of mass m which is moving with a velocity v is p=m×v=mv p = m × v = m v .

## What is the momentum of a 100 kg object at rest?

Answer and Explanation: The momentum of a 100kg boulder at rest is 0 kg*m/s. If we use our momentum equation p=mv, we can plug in the values from the problem with mass being equal to 100kg and velocity being equal to 0m/s. Velocity is equal to 0m/s because the boulder is at rest, or not moving.

## What is average force in momentum?

Over a period of intervals (Δ t) the rate of change of momentum is Average Force. It is given by. F = m (vf – vi)/Δ t.

## How to find momentum?

Step 1: List the mass and velocity of the object. Step 2: Convert any values into SI units (kg, m, s). Step 3: Multiply the mass and velocity of the object together to get the momentum of the object.

## What is SI unit of momentum?

Momentum | |
---|---|

SI unit | kilogram meter per second (kg⋅m/s) |

Common symbols | p, p |

Other units | slug⋅ft/s |

Dimension | MLT^{−}^{1} |

## What are the 2 equations for momentum?

Momentum (P) is equal to mass (M) times velocity (v). But there are other ways to think about momentum! Force (F) is equal to the change in momentum (ΔP) over the change in time (Δt).

## What is the M in physics?

Mass (symbolized m) is a dimensionless quantity representing the amount of matter in a particle or object. The standard unit of mass in the International System (SI) is the kilogram (kg).

## What is momentum for kids?

## Is momentum always in kg?

The standard units for momentum are kg ⋅ m / s , and momentum is always a vector quantity. This simple relationship means that doubling either the mass or velocity of an object will simply double the momentum.

## What is the average momentum of a sprinter with a mass of 60.0 kg completes the 100.0 m dash in 12.0 second

Answer and Explanation: The average momentum of the sprinter would be 100 kgm/s.

## What is the momentum of a person of mass 75 kg?

As p=mv,p=75×2=150kgm/s.

## What is the percentage of momentum of a body is increased by 50?

Hence, increase in K.E. =225−100=125%

## What is the momentum of a man of mass 100 kg when he walks with a uniform velocity of 2 ms − 1?

p=mv=100×2=200 kg m s−1.