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What happens to the velocity of a marble as it accelerates down its first hill?
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What is the first derivative of speed?
Speed is scalar (it doesn't have direction), and the magnitude of velocity (a vector). The first derivative of velocity is acceleration, therefore the first derivative of speed is the magnitude of acceleration.
When a stone is thrown upward at an angle what happens to the vertical component of its velocity as it rises and as it falls?
The vertical component of its velocity increases at the rate of 9.8 meters (32.2 feet) per second downward every second. Without involving numbers, simply the vertical component will first be upward at what ever velocity it is when split from the horizontal velocity, then (after reaching the peak of its height at which velocity is zero) it will be a downward vector that, yes, will increase with acceleration due to gravity (which is where the 9.8 meters per second squared came from)
What symbol is used to show change of velocity?
In science the symbol that is used to represent speed is a lowercase v for velocity. Remember that an objects velocity is a vector. It has a magnitude and a direction. Velocity is most commonly given units of m/s.
What does uniformly accelerated linear motion mean?
If a body is uniformly accelerated, then it's velocity is changing by equal amounts in equal times. Suppose you drop a lead ball from a high tower. At the moment you drop it, its velocity is zero and it accelerates to 10 metres per second in the first second. In the fifth second for example it accelerates from 40 m/s to 50 m/s. The acceleation is ten more metres per second over each second. That is a constant acceleration. A steadily increasing velocity. In real life, the falling ball would not have constant acceleration because the faster it falls, the greater is the air resistance which tries to slow it down. If the ball falls from a high enough tower, its speed will become almost constant because the air resistance force upward will be close to the weight force downward and the acceleration will disappear. The ball reaches "terminal velocity". Linear motion is motion in a straight line, no sideways disturbances.
The height of the first hill is 25.9 meters, and the height of the second hill is 14.4 meters. The track of the rollercoaster is frictionless. If the rollercoaster car's velocity is 21 m/s, what was its velocity at the top of the first hill?
The velocity at the top of the first hill was 21 m/s.
Who used the first piece of marble?
Someone in prehistory used the first piece of marble.
Where was marble first found?
marble was first found in the Himalayan mountains jk i have no clue:)
How do you beat level 6-13 on super scribble nauts?
in the first marble pillar type jewel and put it in the first marble pillar,then on the second marble pillar type art and put it in the second marble pillar,then in the third marble pillar type old fossil and put it in the third marble pillar,then on the last marble pillar type in legendary statue and put it in the last marble pillar
When was the first marble invented?
fork
What is supposed to happen if you put a marble in a jar of breadcrumbs and a marble in a crouton jar which marble is going to rise first?
Neither. The marble has higher density than breadcrumbs or croutons, so it will sink, not rise.
A marble lying in the middle of the floor. use newtons first law to describe what will happen to the marble?
the marble will keep lying on the floor until a force is applied on it to change its position.
What were the first massage table made of?
marble and wood
What was the first civilization to use marble?
Definitely the Greeks.
In a bag there are 4 red marbles 5 white marbles and 6 blue marbles once a marble is selected it is not replaced what are the odds of pulling a red marble than a white marble?
The odds of pulling a red marble on the first try is 4/15 or about .27 and the probability of drawing a white marble the second time if a the first is a red marble is 5/14 or about .36. the odds of both happening is the product of the probabilities of the other events, or 2/21.
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.
When car won't stop when braking and slightly accelerates?
Your car is gearing down to first and to do that it has to rev a little
What is a Symbol of under a war torn sky?
Henry's lucky marble (the cloud marble with gold and red) is a good example of a symbol. The marble symbolizes good luck and fortune for Henry. The marble is what Henry won from his father which was his first triumph. Look on pages 17 & 18 of the book to explain Henry's marble.
