If you slide down a rope, it’s possible to create enough thermal energy to burn your hands or your legs where they grip the rope. suppose a 40 kg child slides down a rope at a playground, descending 2.0 m at a constant speed. how much thermal energy is created as she slides down the rope?

Thermal energy will be equal to 784 J

Explanation:

We have given that mass of the child m = 40 kg

Height h = 2 m

Acceleration due to gravity

We have to find the thermal energy '

The thermal energy will be equal to potential energy

And we know that potential energy is given by

So the thermal energy will be equal to 784 J

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper.

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