Physics, 15.11.2019 22:31 bwalker411
Sorin hits a cricket ball straight up into the air. after 1.5s the ball is falling straight down with a speed of 6.5m we want to find the initial vertical velocity of the ball. we can ignore air resistance.
which kinematic formula would be most useful to solve for the target unknown?
Answers: 2
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Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.
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Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.
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Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.
Answers: 1
Sorin hits a cricket ball straight up into the air. after 1.5s the ball is falling straight down wit...
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