An electric train leaves a station starting from rest and attains a speed of 72 km/hr in 10 seconds. It travels at that speed for 120 seconds. Then it undergoes uniform retardation for 20 seconds to come to halt at the next station. Calculate a) the distance between the train stations. b) the average velocity of train.​

Your safety is your personal responsibility.

Always follow the correct procedures.

Never take shortcuts.

Take responsibility and clean up if you made a mess.

Clean and organize your workspace.

Ensure a clear and easy route to emergency exits and equipment.

Be alert and awake on the job.

Be attentive at all times to your work surroundings.

When in doubt, contact your supervisor or manager for instruction, guidance, or training.

Answer:

Your safety is your personal responsibility.

Always follow the correct procedures.

Never take shortcuts.

Take responsibility and clean up if you made a mess.

Clean and organize your workspace.

Ensure a clear and easy route to emergency exits and equipment.

Be alert and awake on the job.

Be attentive at all times to your work surroundings.

When in doubt, contact your supervisor or manager for instruction, guidance, or training.

Never take risks when it comes to safety.

Obey safety signs, stickers, and tags.

Take short breaks when you keep up a repetitive motion for a long period of time, and sit, stand, or walk with good posture.

Report serious injuries immediately to a supervisor and get emergency assistance

Weight of 100 cm of wood =8g

So, the weight of 54000 cm of wood =1/8×54000

=4320 g

=4.32kg

Answer:

C) lower frequency

Explanation:

Fluorescent lamps with magnetic ballasts flicker at a normally unnoticeable frequency of 100 or 120 Hz (twice of the utility frequency; the lamp is lit on both the positive and negative half-wave of a cycle).

This flickering can cause problems for some individuals with light sensitivity and are associated with headaches and eyestrain.

The flicker effect of fluorescent lamps is more pronounced at lower frequencies

Watershed development programme is an initiative of the government.It is done by the Non-Government OrganisationNGOs.It is the conservation recharging and judicious use of water resources like underground water rivers etc and lands within the watershed area Benefits of watershed development are: 1.It helps in conservation of water by plantation making bunds canals etc. 2.It makes the land fertile and supports the growth of trees plants and cultivation. 3.It helps in the preservation of water and its resources. 4.It prevents soil erosion.

Answer:

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