Answer:
Work done, W =1520 J
Explanation:
We have,
The brakes on a bicycle apply 95 N of force to the wheels. When the brakes are applied, the bicycle comes to a stop in 16 m.
It is required to find the work done by the brakes on the wheels. We know that the product of force and displacement is equal to the work done. It is given by :
So, the work done by the brakes is 1520 J.
Speed and tangential acceleration is zero are constant in uniform circular motion
<h3>Further explanation
</h3>
Uniform circular motion is the motion of an object in a circle at a constant speed.
An object moving in uniform circular motion is moving around the circle perimeter with a constant speed. While the speed of the object is constant, its velocity is changing. Velocity, being a vector, has a constant magnitude but a changing direction. Wheres the the tangential component of acceleration is zero in a uniform circular motion. But its value is not zero in a non uniform circular motion.
In uniform circular motion, it is results in change of velocity (velocity has two components such as speed and direction). Because the velocity changes, the acceleration exists. The direction of acceleration in this case is radial, tangential component is zero so the speed is not varying with time. Acceleration exists because of the change in direction of particle’s velocity.
Tangential acceleration quantities are zero throughout the motion. Since a uniform motion itself defines to be a constant velocity motion in which the rotation is going on at a constant speed, the tangential component of acceleration is zero.
<h3 /><h3>Learn more</h3>
- Learn more about uniform circular motion https://brainly.in/question/4807771
<h3>Answer details</h3>
Grade: 9
Subject: physics
Chapter: uniform circular motion
Keywords: uniform circular motion
Answer
<span>D. The factor that's changed by the experimenter and impacts the dependent variable
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Explanation
The term independent mean not interfered with. It stands on its on without been affected.
In an experiment the term independent factor is one which is not affected by another variable although it does change in the experiment but is is impacted by the dependent variable.
Answer: Radiation is taken in then presumably is immediately turned into electrical energy which also immediately is turned into mechanical energy or stored in the cars battery as chemical energy. Solar energy
Electrostatic Potential energy
Electrical energy
Explanation:
The third choice best describes reliability: <span>Editorial blogs are considered an unreliable source because the author may not have a science background.
The first statement is illogical, just because the public can access information does not make it unreliable. The second also is incorrect, if charities receive money from the public, they may have incentive to publish popular theories to get more support, so they are unreliable. The fourth is incorrect, because we don't have any background on who the authors are.
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