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Three small snails are each at a vertex of an equilateral triangle of side 60 cm. The ?rst sets out towards the second, the second towards the third and the third towards the ?rst, with a uniform speed of 5 cm min-1.
During their motion each of them always heads towards its respective target snail.
How much time has elapsed, and what distance do the snails cover, before they meet?
What is the equation of their paths? If the snails are considered as point-masses, how many times does every circle their ultimate meeting point?
Two parallel rectangular plates measuring 20 cm by 40 cm carry an electric charge of 0.2µC. Measure the electric flux density. If the plates are spaced 5mm apart and the vo
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a boy throws a ball of mass 20 kg vertically upwards.it raises to a maximum height of 100 m.at what height will the kinetic energy be reduced to 70%
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Q What is temperature of inversion? Maintain the temperature of the cold junction constant the temperature of the hot junction is gradually increased. The thermo emf increase
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