Science, asked by akshita1010, 3 months ago

please tell the right answer​

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Answered by amanjith
1

Answer: 1 a)Speed can be thought of as the rate at which an object covers distance. ... Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second, but the most common unit of speed in everyday usage is the kilometre per hour

b)There are 4 different factors which affect resistance:

The type of material of which the resistor is made.

The length of the resistor.

The thickness of the resistor.

The temperature of the conductor.

c)120m/min

d)

2 c) sundial

3in case one the object is not moving

 in case two the object is moving at a constant speed

b)a electric fuse works by the heat producing effects of electricity the fuse in the wire melts when there is surge of power so breaking the circuit and saving the applicance from damage

plz mark as brainlest

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