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).
learn more about speed: brainly.com/question/7359669
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B) gravitational to kinetic
Explanation:
The skydiver, when he is located at a certain height h above the ground, possesses gravitational potential energy, equal to:
where m is the mass of the skydiver, g is the gravitational acceleration and h is the height above the ground. As he falls, its height h decreases, while his speed v increases, so part of the gravitational potential energy is converted into kinetic energy, which is given by
so, we see that as v increases, the kinetic energy increases. Therefore the correct answer is
B) gravitational to kinetic