An object is thrown straight up with an initial velocity of 5m/s. A) How long does it take to reach its maximum height?
B) What is its maximum height?

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The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.

Using a caesar cypher with an offset of three characters (a -> d, b -> e, z -> c), what would be the correct cypher text for the plain text "attack at dawn"?

Which planets are visible without a telescope