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MrRissso [65]
3 years ago
8

A 25.0kg girl pushes a 50.0kg boy with a force of 100.0N. What is the acceleration of the girl?

Physics
1 answer:
MA_775_DIABLO [31]3 years ago
6 0

Answer:

im pretty sure it should be 50.0

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I would suspect internal bleeding.

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Galileo’s pendulum theory stated that the time taken to swing through one complete cycle of a pendulum depends on what?
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It depends on the length of the pendulum and the strength of gravitational pull acting upon the pendulum.

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Why do things cling in magnets
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A magnet is any object that has a magnetic field. It attracts ferrous objects like pieces of iron, steel, nickel and cobalt. In the early days, the Greeks observed that the naturally occurring 'lodestone' attracted iron pieces. From that day onwards began the journey into the discovery of magnets.

These days magnets are made artificially in various shapes and sizes depending on their use. One of the most common magnets - the bar magnet - is a long, rectangular bar of uniform cross-section that attracts pieces of ferrous objects. The magnetic compass needle is also commonly used. The compass needle is a tiny magnet which is free to move horizontally on a pivot. One end of the compass needle points in the North direction and the other end points in the South direction.

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Define are sources of energy​
OleMash [197]

\boxed{\sf{QUESTION:}}

Define sources of energy

\boxed{\sf{ANSWER:}}

Energy is the capacity of a body to do work.

We Classify the sources of energy on the basis of:

<u>Occurence:</u>

  1. Natural Sources: Natural energy sources are those which are made available to us by nature. Solar energy, wind energy, energy from water (hydro energy) are some of such natural sources of Energy.
  2. Synthetic Sources: Synthetic energy are those that use man-made materials as sources of energy. Fir example, chemical energy, stored in the batteries, (used in calculators, watches, etc.) is a synthetic source of energy.

<u>Physical</u><u> </u><u>State:</u>

  1. Solid: Firewood, Charcoal, coal are examples of solid fuels.
  2. Liquid: Kerosene, Petrol & diesel are all liquid fuels.
  3. Gas: Petroleum gas, commonly used as LPG (Liquified Petroleum Gas), & natural gas, also used CNG (Compressed Natural Gas), are examples of gaseous fuels

<u>Availability</u><u>:</u>

  1. Renewable: A renewable source of energy is a natural resource that can replenish itself naturally over a short period of time. Wind, sun, biomass (from plants) & hydropower (from water) are all renewable sources of energy. These arr inexhaustible natural resources.
  2. Non-renewable: Energy sources which get us & cannot be replaced or replenished in a short period of time are called non-renewable sources of energy. These are also called exhaustible natural resources. Fossil fuels, (like petroleum, natural gas & coal), are non-renewable sources of energy.

<h2>Hope It's Helped! :D</h2>
6 0
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