Gerard is measuring the speed of a remote-controlled airplane. He measures that the airplane travels 110 m in 5.4 seconds, givin
1 answer:
Gerard need to change the Acceleration.
<h3>What is speed?</h3>Speed is defined as the distance travelled by an object in a unit time.
Mathematically ,
Speed =
Here the given values are:
Distance = 110m and time = 5.4 s
Speed = = 20 m/s
For increasing the speed he need to change the acceleration.
Which is define as the rate at which velocity changes with time, in terms of both speed and direction.
Any change in the velocity of an object results in an acceleration , increasing speed (what people usually mean when they say acceleration).
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Answer:
Time period of horizontal Oscillation = T = 2
As you can see, from the equation, Period of oscillation depends upon the mass and the spring constant. Not on the displacement.
Explanation:
Solution:
As we know that:
F = Kx
Here,
K = Spring constant
x = displacement.
First, they are displacing it with 6 cm from its rest position for which Time period of the oscillation is T = 2 seconds.
But next, they want to know the effect on the time period of the oscillation if the displacement x is doubled from 6cm to 12 cm.
First of all, let us see the equation of the time period of the oscillation.
We need to check, if time period does depend on the displacement or not.
As we know,
Time period of horizontal Oscillation = T = 2
As you can see, from the equation, Period of oscillation depends upon the mass and the spring constant. Not on the displacement.
Since, K is the constant for a particular spring, we need to change the mass of the cart to change the time period.
Hence the Time period will remain same.