Recent content by akbro93704

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    Maximum Height of Projectile Using Cons. of Energy

    Homework Statement A projectile is launched with a speed of 45 m/s at an angle of 56° above the horizontal. Use conservation of energy to find the maximum height reached by the projectile during its flight. Homework Equations PE=KE mgh=1/2mv^2 gh=1/2v^2 h=.5v^2/g The Attempt at...
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    Beer mug across counter direction of mugs velocity

    Homework Statement In a local bar, a customer slides an empty beer mug down the counter for a refill. The bartender is momentarily distracted and does not see the mug, which slides off the counter and strikes the floor at distance d from the base of the counter. The height of the counter is h...
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    River and boat velocity problem

    Homework Statement (1) A River flows due east at 1.20 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 9.0 m/s due north relative to the water. I got the velocity of the boat relative to shore at 9.08 m/s at 82.406 degrees north of...
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    Help Freefalling object problem

    Homework Statement A certain freely falling object requires 1.60 s to travel the last 23.5 m before it hits the ground. From what height above the ground did it fall?Homework Equations This is my last question on my online homework. Help! I have gotten answers, but the computer says they...