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Kinematics

Kinematics is the study of how a body moves. This includes linear motion, angular motion, and rotational motion.

3,459 Questions

Why is spark produced when two stones are stricken against one another?

When stones are stricken against one another, then there are chances of transfer of electrons from one to the other. So positive in one and negative charges in the other are produced. Now comes a chance to have an electrical discharge between them which leads to produce sparks in air.

How much distance is covered accelerating to 60 mph in 7.2 secs from a stop?

If accelerating to 60 MPH in 7.2 seconds from a stop you would go 3 miles. This is considered a math problem.

500km converted to mph?

Assuming 500km/h, it is 310 miles per hour.

Why is gravitational potential energy equal to kinetic ebergy?

Gravitational potential energy is not equal to kinetic energy:

MGY doesn't always equal (1/2)mv2. This holds true in the CHANGE of gravitational potential energy being equal to the CHANGE in kinetic energy because of the Law of Conservation of Energy, Mass, and Charge.

Business and residential areas have a speed limit of mph?

Different countries - and even different cities within the same country - have different speed limits.

What is position - time graph?

  • A position-time graph, is one in which position is plotted on the y-axis and the time is on the x-axis. A position-time graph is similar to a distance-time graph, but direction of motion in the y-axis.

How to find potential energy when only mass and velocity time is given?

To get the potential energy when only the mass and velocity time has been given, simply multiply mass and the velocity time given.

Work-kinetic energy theroem expression?

Work-Energy Theorem.

When work is done on a body its kinetic energy changes.Let a constant force F acting on a body of mass m changes its velocity from u to v in a distance d, then work done = F * d

change in kinetic energy = 1/2mv2 - 1/2mu2 = 1/2m(v2 - u2) =1/2m * 2ad =ma * d =F *d

Therefore work done = change in kinetic energy, that is F *d = 1/2mv2 - 1/2mu2.

How is the potential energy stored in the spring of a clock it change into kinetic?

The spring is wound tighter, this stores the potential energy. The spring unwinding turns the potential energy into kinetic energy.

What is 462 miles in hours while driving 60 miles per hour?

It will take about 7 hours and 40 minutes of total driving time at a constant 60 mph. Your total travel time will be longer if you slow down or stop along the way.

What does slope of the graph of v vs t represents?

ski

You don't state what the letters stand for, but if velocity (or more accurately, speed) and time then the gradient (dv/dt where "d" means "difference in") will give the acceleration.

At constant speed the line will be horizontal so the gradient will = 0, i.e, neither acceleration nor deceleration.

Top speed of a doodlebug dirt bike?

it goes 15-17 factory setting but if you adjus the speed gov. you an make it go up to about 35 or 30

How do mimetic forces differ from normative forces?

Mimetic forces result from responses to uncertainty. Most organizations face great uncertainty. Senior executives are not sure exactly what products, services or technoligies will achieve desired goals, and sometimes the goals themselves are not clear. When facing this uncertainty, mimetic forces, the pressure to copy or model other organizartions occur. Executives observe an innovation in a firm abd if it is successful, the management practice is quicly copied. Normative Forces result from common training and professionalism. Normative forces are pressures to change to achieve standards of professionalism and to adopt techniques that are considered to be up to date and effective by the professional community. Changes can be in any area, like information technology, accouting requirements or collaborative realtionships with other organizations. Pem, Bhutan Mimetic forces result from responses to uncertainty. Most organizations face great uncertainty. Senior executives are not sure exactly what products, services or technoligies will achieve desired goals, and sometimes the goals themselves are not clear. When facing this uncertainty, mimetic forces, the pressure to copy or model other organizartions occur. Executives observe an innovation in a firm abd if it is successful, the management practice is quicly copied. Normative Forces result from common training and professionalism. Normative forces are pressures to change to achieve standards of professionalism and to adopt techniques that are considered to be up to date and effective by the professional community. Changes can be in any area, like information technology, accouting requirements or collaborative realtionships with other organizations. Pem, Bhutan

What are city speed limits miles per hour as a rule?

There is no "as a rule". Different countries - and even different cities within the same country - have different speed limits.

What is the output per hour of concrete breaker?

I am pretty sure that such machines come in different sizes, and therefore in different capacities. Consult the technical specifications of individual manufacturers if you want to know the output of a specific machine type.