Answer:
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Chameleon tongue reaches 23 cm.
Train's final speed is 32 m/s.
The distance the tongue travels is divided into 2 phases.
1. The acceleration phase.
2. The coasting phase.
For the acceleration phase, the formula d = 0.5AT^2 determines how far the tongue travels while accelerating. The during the coasting phase, the tongue continues onward without changing its velocity, so it's formula is d = VT. The peak velocity of the tongue will be reached after 20 ms. So let's calculate it.
d = 0.5AT^2
d = 0.5*290 m/s^2 * (0.020 s)^2
d = 145 m/s^2 * 0.0004 s^2
d = 0.058 m
Now to handle coasting
d = 0.058 m + 0.030 s * 290 m/s^2 * 0.20 s
d = 0.058 m + 0.174 m
d = 0.232 m
Rounding to 2 significant digits gives 0.23 meters, or 23 cm.
For the train, we need to determine the acceleration. We know the velocity changed from 5.0 m/s to 14.0 m/s over a period of 8.0 seconds. So the acceleration is:
(14.0 m/s - 5.0 m/s)/8.0 s = (9.0 m/s)/8.0 s = 1.125 m/s^2
At the edge of town, the train is traveling at 14 m/s and accelerates at 1.125 m/s^2 for 16 seconds, so:
14 m/s + 1.125 m/s^2 * 16 s = 14 m/s + 18 m/s = 32 m/s
So the final speed of the train is 32 m/s
<h2>Answer:</h2>
<u>The correct answer is</u><u> the current will decrease by a factor proportional to the number of resistors. </u>
<h2>Explanation:</h2>
In a parallel circuit, when all the resistors are in parallel to the power supply, the voltage across all the branches in parallel is the same but the current decreases as we add more load. If each current path P has different resistances, highest current flows through the path which has the least resistance and hence current decreases proportionally.
The top of the WINDOW is 19 meters from the ground. also steel balls dont bounce.
Answer:
1. surface water changes to vapor water
2. runs off into streams and rivers
3. transpiration
Explanation:
1. the water above the surface is being heated by the sun turning into a gas that makes up part of the cloud.
2. a runoff is the process of precipitation running down hills and into rivers and streams
3. Transpiration is essentially evaporation of water from plant leaves.