Answer:
Given that x α t², where x is displacement of body and t is time
on removing α sign,x=bt² ..............1...where b is proportionality constant
now differentiating 1 with respect to time we get,
v=2bt where v is velocity
now on further differentiating we get ,
a=2b where a is acceleration
it means acceleration of body is constant, it is independent of time
Suppose a parachutist lands on a high-voltage wire and grabs the wire as she prepares to be rescued, she will not be electrocuted.
<h3>
What is Voltage?</h3>
This is referred to as the difference in electric potential between two points or the work done which is needed per unit to move a charge between two points in a circuit.
If she grabs the wire as she prepares to be rescued, she will not be electrocuted because the net electrical potential will be 0.
In a situation where the wire breaks as she holds on to it then she will be electrocuted.
Read more about Voltage here brainly.com/question/1176850
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<span>So the question is what do sound, light and ocean waves all have in common. So, both mechanical waves - sound and ocean waves and electromagnetic waves - light, have the same mathematical description which consists of amplitude, wavelenght and frequency. </span>
Answer:
-22.5 m/s
Explanation:
= Mass of squid = 1.5 kg
= Mass of water ejected = 0.14 kg
= Velocity of squid = 0.4 m/s
= Velocity of squid after ejection = 2.5 m/s
v = Velocity of water ejection
In this system the momentum is conserved
The velocity of the water ejection relative to the squid is
-20+(-2.5) = -22.5 m/s
The negative sign indicates the opposite direction to the direction of the squid.
A graph of acceleration would have to be a graph with an increasing slope, since you're going faster and faster
a graph of deceleration would have to be a graph with a negative slope since you are slowing down over time