All categories

3 years ago

Distinguished between mass and time

1 answer:

6 0

There isn't any relation between time and mass in speical relativity: mass is a Lorentz invariant, the same in all reference frames, time is the fourth component of the position 4-vector. Similarly, energy isn't a Lorentz invariant-it's the fourth component of the energy-momentum 4-vector.

You might be interested in

The Chartered Institute of Management Accountants defines activity-based cost management as follows: "An approach to the costing

egoroff_w [7]

Answer:

ABC is the activity based accounting. It is the costing done for each separate activity which maybe unit level, batch level, product sustaining or facility sustaining.

Explanation:

The basic difference between ABC and traditional costing systems can be explained with the help of the following diagram.

Traditional Costing System

Overhead Cost Accounts (For each individual expense e.g. tax)

First Stage Allocation

Cost Centers ( normally Departments)
Cost Centers ( normally Departments)

N. Cost Centers ( normally Departments)

Second Stage Allocation ( Direct Labor Or Machine Hours)

Cost Objects ( products, services and customers)

ACTIVITY BASED COSTING SYSTEMS

Overhead Cost Accounts (For each individual expense e.g. tax)

First Stage Allocation ( resource cost drivers)

Activity Cost Centers
Activity Cost Centers

N. Activity Cost Centers

Second Stage Allocation ( activity cost drivers)

Cost Objects ( products, services and customers) (Direct Costs)

Four steps are involved in the design of ABC systems.

identifying the major activities that take place in an organization
assigning cost to cost pools / cost centers for each activity
determining the cost for each major activity
assigning the cost of activities to products according to the product's demand for activities.

The first two steps relate to the first stage and final two steps to the second stage of the two - stage allocation process shown above.

5 0

3 years ago

A massless spring with spring constant 16.4 N/m hangs vertically. A body of mass 0.193 kg is attached to its free end and then r

svet-max [94.6K]

Answer:

(A) 0.2306 m

(B) 1.467 Hz

(C) 0.1152 m

Explanation:

spring constant (K) = 16.4 N/m

mass (m) = 0.193 kg

acceleration due to gravity (g) = 9.8 m/s^{2}

(A) force = Kx, where x = extension

mg = Kx

0.193 x 9.8 = 16.4x

x = 0.1153 m

now the mass actually falls two times this value before it gets to its equilibrium position ( turning point ) and oscillates about this point

therefore

2x = 0.2306 m

(B) frequency (f) = \frac{1}{2π} x $\sqrt{\frac{k}{m}}$

frequency (f) = \frac{1}{2π} x $\sqrt{\frac{16.4}{0.193}}$

frequency = 1.467 Hz

(C) the amplitude is the maximum position of the mass from the equilibrium position, which is half the distance the mass falls below the initial length of the spring

= \frac{0.2306}{2} = 0.1152 m

8 0

3 years ago

What is an ore? an object that has been recycled

motikmotik

an ore is a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.

6 0

4 years ago

All but one statement applies to electromagnetic radiation

lina2011 [118]

<span>D) Electromagnetic radiation travels in the form of longitudinal waves.</span>

3 0

3 years ago

What is the equation for frequency?

Lady bird [3.3K]

D. Number of cycles/ unit of time

7 0

3 years ago