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Answered 2010-06-15 05:36:33

Yes, until he reaches terminal velocity.

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Why is it easier to accelerate a car on the moon as it is to accelerate the same car on Earth?

Less weight to move and no wind resistance since no atmosphere.

Compare the effects of gravity and air resistance on a falling skydiver before and after she opens her parachute?

-- The force of gravity is unchanged before and after.-- The force of air resistance on the skydiver is greater before, and less after,because she is falling slower after the parachute opens.-- The effect on her of air resistance is greater after the parachute is open. Theincreased air resistance itself acts on the parachute, and its effect is transferredto the skydiver through her harness.

Do holes in a parachute affect its speed?

the more holes in a parachut the less resistance the parachute causes so the more speed the parachuter can pick up causing him to travle at a faster speed with more holes in his parachute

Why does a stone fall faster than a feather?

The difference is in the air resistance. Without air resistance, both will accelerate at the same rate. If there is air, in the case of the stone the ratio of surface area / weight is less than that of a feather. As a result, the stone will slow down less than the feather, and fall faster.

What is the hypothesis for the parachutes?

Hypothesis: Will the speed of the parachute increase when more weight is put in to it and will it go slower if less weight is put in

How could a toy rocket accelerate after takeoff?

As long as the thrust is more than the weight of the rocket (toy or otherwise) the rocket will accelerate. When the thrust matches the weight, the rocket will cruise. When the thrust is less then the rocket will slow.

Why does it take less effort to throw a marble than a basketball?

Because the basketball weighs more than the marble ------------------------------------------------------------------------------------------ Most regular size, glass marbles weigh less about 0.16 ounces. A basketball weight about 22 ounces. When you throw something you have to accelerate its weight (mass) out of your hand, and a property of matter called "inertia" resists you. The size of the inertial resistance is directly dependent on the mass of the object, the bigger the inertia (mass) the bigger the resistance. Because of this it takes more effort (energy) to accelerate the heavier basketball compared to the lighter marble.

What is resistance in weight training terms?

Resistance is essentially the amount of weight you are lifting during a resistance/weight training workout. Higher-resistance routines will involve more weight and usually fewer repetitions, while lighter resistance workouts involve less weight with more reps. Working with higher resistance levels (more weight) will build more strength and size, while working with lower resistance and more repetitions (15 or so plus) will result in more muscular endurance and definition.

Why is a heaver object harder to accelerate than a lighter object?

The difficulty to accelerate an object is related to its mass, not to its weight. However, on Earth (i.e., more or less constant gravity), mass and weight are also proportional. As to "why", I believe that is still an area of active research. We know that there is a property called mass, that causes gravitation, and inertia (i.e., a resistance to acceleration), but the exact nature of this property is still being studied.

Why would the car accelerate faster than the truck.?

The lighter weight car takes less time to gain momentum, than a heavier weight truck.

How can a person jump higher on the moon?

Gravity is what gives us our weight. Weight causes downward resistance to our legs and jumping muscles. This slows down how fast we move, as well as less resistance of upward inertia. On the moon the force of graivity is much less, and thus our muscles have less resistance, and our upward inertia will continue more than if there were more gravity.

Would a Parachute work on the moon?

A parachute works on Earth by effectively 'trapping air' inside of it, creating a large surface area and so a large amount of wind resistance or friction. As there is no atmosphere on the moon, there is no air to be trapped and therefore no friction. So no, a parachute would not work on the moon.A parachute works using air resistence. There is no air on the moon. Therefore a parachute would only pull you down faster. If ur planning on going to the moon i suggest you try a jetpack.

Do heavier objects fall faster or slower than light one?

Without air resistance, heavier and lighter object fall at the same speed. More precisely, they accelerate at the same speed - near Earth's surface that would be 9.8 meters/second2. If air resistance is significant, heavier objects tend to have less air resistance, compared to their weight, so they will usually fall faster.

Why does smaller parachutes hit the ground before bigger parachutes?

If you have two parachutes, one big and one small, the biggest one will take more time then the other parachute. This happens because there is more room in the parachute which is causing air to go in side, which is air resistance. The smaller parachute has a lot of air resistance because it is smaller and there is less room for the air to go inside. However, the bigger balloon has little air resistance because it has more room in it for the air to get inside. The air is pushing the balloon up so it will fall slower.

When riding in an elevator why does a person appear to lose weight when accelerating downward?

Weight is felt by the body resisting the pull (acceleration) of gravity. Less acceleration means less pull thus less weight. The rate at which you are accelerating downward subtracts from the pull of gravity, thus your weight is less. If you fall, say from a cliff or tall building you accelerate downward at exactly the acceleration of gravity so you're completely weightless.

When the buoyant force on an object is less than the weight of the object will the object float?

If the buoyant force is less than the weight, the object must accelerate down. If it ever displaces enough water to increase the buoyant force to equal its weight, then it'll stop sinking. Otherwise, it goes straight to the bottom.

What happens to resistance of the wire if the wire is short?

Short wire has less resistance Long wire has more resistance Thick wire has less resistance Thin wire has more resistance

What causes a marble to reach the groud first if a feather and the marble accelerate at the same speed?

A marble is more dense and has less surface area, so it is not affected by air resistance as much as the feather.

Why does racing bicycles weigh less than other kinds of bicycles?

racing bicycles are lighter because they are made of lighter materials, and less weight means you accelerate faster and that's what counts in racing..speed!

Do objects accelerate as they fall?

Objects accelerate as they fall. Near the earth's surface, the speed of a falling object increases by 9.8 meters (32.2 ft) per second, every second during its fall. (If the acceleration is less than that, it's only because of the interference due to air resistance.)

How would you not float off into space on a lunar colony?

The Moon does not have an atmosphere, but it does have gravity, about 1/6 that experienced on Earth. So while the weight of an object would be far less, and there would be no air resistance, it would still have to accelerate to over 5300 mph to escape into space from the lunar surface. This is called escape velocityfor the Moon.

How does the material of wire affect the resistance?

1) There is a lot of materials that are made of less electrons and therefore there will be less resistance.

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