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14 July, 20:47

Identify the type of energy used in each action.

A. electrical energy

B. gravitational potential energy

C. mechanical energy

1. the flexing of an arm muscle

2. a signal transduction process by a neuron

3. a ball at the top of a hill

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Answers (2)
  1. 14 July, 21:30
    0
    Identify the type of energy used in each action.

    The following are the correct answers : -

    A. electrical energy - 2. a signal transduction process by a neuron

    B. gravitational potential energy - 3. a ball at the top of a hill

    C. mechanical energy - 1. the flexing of an arm muscle
  2. 15 July, 00:30
    0
    Electrical energy - The communication of neurons with each other takes place at synapses. Synapses are of two types i. e. chemical and electrical. A signal transduction process by a neuron uses electrical energy. In electrical synapse, flow of ions between cells takes place.

    Gravitational potential energy - It is the energy possessed by an object when it is placed at some height. It is given by:

    PE = mgh

    The energy used when "a ball is at the top of a hill" is gravitational potential energy.

    Mechanical energy - It is the total energy i. e. it is the combination of gravitational potential energy and kinetic energy.

    The flexing of an arm muscle is an example of mechanical energy.
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