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A ball is dropped from a height of 30 meters. Ignoring air resistance determine the time when the ball hits the ground?
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What is the velocity of a stone dropped of a building 318 meters?
Ignoring any effects due to air resistance, the speed of the stone is zero at the instant it's dropped, and increases steadily to 78.98 meters per second when it hits the ground. The velocity is directed downward throughout the experiment.
Objects with three very different sizes and weights are dropped off a tower on the moon. Which factor of the objects will determine which hits the ground first?
None of these matter. With no air resistance, they all hit the ground at the same time.
How many seconds will it take for an egg dropped from the top of a 363 foot tall building to hit the ground?
Ignoring air resistance . . .H = 1/2 G t2t = sqrt(2H/G) = sqrt(2 x 363 / 32.2) = 4.75 seconds (rounded)
What is the velocity of a 50 gram egg dropped 3 meters off the ground right before it hits the ground?
Ignoring the effects of air resistance, the velocity of any object dropped near the surface of the Earth is 29.42 meters (96.53 feet) per second, directed downward, after it has fallen 3 meters. If you're working with situations and asking questions like this one, then you're supposed to know by now that the mass or weight of the object makes no difference. If you can eliminate air resistance, then the answer is the same for a feather, a bowling ball, and a battleship.
Why does a penny fall faster than a feather is it because gravity acts less on a feather?
Purely air resistance, the feather floats on the air. The mass is irrelevant. If a penny was dropped at the same time as a brick (ignoring wind resistance) both would hit the ground at the same time. Look up Galileo's tower of Pisa experiment. http://en.wikipedia.org/wiki/Galileo%27s_Leaning_Tower_of_Pisa_experiment This also includes a video of a feather and a hammer being dropped on the moon (where there is no air). Both hit the ground together.
A ball is dropped from a 150-m tall building Neglecting air resistance what will the speed of the ball be when it reaches the ground 5.5 seconds later Apex?
Disregarding air resistance, what is the speed of a ball dropped from 12 feet just before it hits the ground? (Use 1 ft = 0.30 m, and use g = 9.8 m/s2.)
A softball and a ping-pong ball are dropped off of a tall building Which statement describes in what order they hit the ground and why?
The softball hits the ground first because it is less affected by air resistance.
What three very different sizes and weights are dropped off a tower on the moon Which factor of the objects will determine which hits the ground first?
Assuming that each object is held with its center of gravity at the same height, and that each is dropped cleanly, with no rotation induced, the one whose lowest part is closest to the ground when dropped will hit first.
How to describe the motion of a ball dropped from a moving car?
The ball would continue moving in the same direction and roughly the same speed as the car before hitting the ground (ignoring air resistance). Think of what happens when a car stops short and you go flying forward into the seat in front of you. That's what's happening to the ball; it's momentum keeps it from falling straight down. Just add gravity to pull the ball towards the ground.
When a leaf and a coin are being dropped of the same time at the top of the building which of the two will hit the ground first and why?
A coin. It is heavier, and thus less affected by air resistance.
A baseball is hit straight up at an initial velocity of 100 meters per second. What will be the baseball's speed when it hits the ground?
I assume you hit it up from the ground level as well. From Conservation of Energy, it immediately follows that: * If there is no air resistance, when it hits the ground it will, once again, have a speed of 100 meters per second. * Since under usual circumstances there WILL BE air resistance, its speed will be less than 100 meters per second.
Does ground have a high resistance?
It depends on the definition of resistance and the definition of ground. If you are referring to resistance as in resistance to electric current, the answer will be different than if you are referencing resistance as in friction. Also, the ground is not consistent. There are many types of "ground." More specification is necessary here in order to receive a sufficient answer.
