Physics, 24.06.2019 07:00, scarbroughmary0
One of the contests at the school carnival is to throw a spearat an underwater target lying flat on the bottom of a pool. the water is 1.0 m deep. you’re standing on a small stool that places your eyes 3.0 m above the bottom of the pool. as you look at the target, your gaze is 30° below horizontal. at what angle below horizontal should you throw the spear in order to hit the target? your raised arm brings the spear point to the level of your eyes as you throw it, and over this short distance you can assume that the spear travels in a straight line rather than a parabolic trajectory.
Answers: 1
Physics, 22.06.2019 20:10, dondre54
On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 3.00 m/s.(a) what are the magnitude and direction of the velocity of the red glider after the collision? (b) is this collision elastic?
Answers: 1
Physics, 22.06.2019 22:00, perezsamantha3oqr0za
Ahurricane sweeps across the ocean and damages the houses of people living along the coast. which of these does not play any role in this interaction? air water glaciers living things
Answers: 1
Physics, 23.06.2019 10:10, jewelia2801
The heat fusion is the amount of heat required to__ a- evaporate 1 g of liquid into gas b-make a substance subliminate c- melt 1g of solid into liquid d-make material combust
Answers: 2
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