Here radius = r= 1m
Time = 2 second
Speed = Distance/time
Speed = 2πr/2
Speed = πr
speed = 3.14 × 1
speed= 3.14 m/s
1/2 secondPLZ MARK AS BRAINLIEST
since body is moving in a circular path circumference will be displacement of the body 2πr=2*3.14*1=6.28m and time taken is 2 seconds therefore speed=d/t ,v=6.28/2=3.14m/s
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answer:mattermatter is the "stuff" that makes up the universe — that takes up space and has mass is matter.
all matter is made up of atoms, are in turn made up of protons, neutrons and electrons.3 types of
in a solid, particles are packed tightly together so don't move much. the electrons of each atom are constantly in motion, so the atoms have a small vibration, but are fixed in their position. because of , particles in a solid have very low kinetic energy.
solids have a definite shape, as well as mass and volume, and do not conform to the shape of the container in are placed. solids also have a density, meaning that the particles are tightly packed together.liquids
in a liquid, the particles are more loosely packed than in a solid and are able to flow around each other, giving the liquid an indefinite shape. therefore, the liquid will conform to the shape of its container.
much like solids, liquids (most of have a lower density than solids) are incredibly difficult to compress.gases
in a gas, the particles have a great deal of space between them and have kinetic energy. a gas has no definite shape or volume. if unconfined, the particles of a gas will spread out indefinitely; if confined, the gas will expand to fill its container. when a gas is put under pressure by reducing the volume of the container, the space between particles is reduced and the gas is compressed.