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A car can have a negative acceleration and be speeding up.
A negative acceleration determines the direction of the acceleration
A car with forward acceleration will speed up in the forward direction
A car moving forward with a negative acceleration will slow down
A car not moving with a negative acceleration will speed up in the backward direction
A car moving backward with a negative acceleration will speed up in the backward direction
What else can I help you with?
Is there a negative number of electrons?
No. The number of anything that can be counted - including electrons - cannot be negative.
What system gets your body ready for emergency by increasing Adrenalin and slowing digestion down?
The sympathetic nervous system.
For a given value of net force what would increase acceleration for a system?
To increase acceleration for a given net force, you can decrease the mass of the system. This is because acceleration is inversely proportional to mass when net force is constant (F = ma). Alternatively, you can increase the net force acting on the system.
What is the polarity of wires when you have a black and a white wire on a 12 volt radar?
In a DC circuit, the black wire is typically the negative (-) wire and the white wire is the positive (+) wire. To ensure proper connection, always check the specific wiring instructions for the radar system you are using.
Will this entropy change by positive or negative?
If the system becomes more disordered, the entropy change will be positive. If the system becomes more ordered, the entropy change will be negative.
A classmate in the physics state that the negative acceleration always mean that a moving object is decelerating is that true?
It is not true. It means that the object MIGHT be decelerating but not "always" (as your friend says). Instead, think of it this way... We start by clarifying that there is no such thing as "negative acceleration" per se. That is, that acceleration is a vector composed of an absolute value scalar and a direction. So "negative acceleration" actually refers to an acceleration which just happens to be in the negative direction of whatever coordinate system you've chosen to define for the particular problem. We define a coordinate system (for a two dimensional universe to keep things simple) with positve/negative x and y. If the object starts out already moving in the positive X direction, then to apply an acceleration in the negative direction would mean there is deceleration. If the object is stationary or moving in the negative X direction, then applying an acceleration in the negative X direction would actually be accelerating the object. In other words, the reference from has to stay constant for there to be meaningful discourse on the subject. By the same note, even moving in the positive X direction, if the object is acclerated in the negative Y direction then the object is actually accelerating.
Does negative acceleration have constant acceleration?
Not necessarily so. Negative (deceleration) could be growing or decreasing in magnitude. The cause is going to be the Force that is acting on the system. If the Force is increasing, the acceleration will be also.
It is physically impossible for an object to have a negative acceleration and yet be speeding up?
Not yet possible, maybe later. Acceleration is the first derivative of the speed by definition. So this comes back to a mathematical question. When do we have a first derivative negative? The only possibility is that the function has a negative slope, meaning in the case of the object trajectory, that the object's speed is decreasing. If you could have objects decelerating while speeding up you should also think about accelerating objects winding down and steady objects wandering abound. As this was not easy to find conceptual representation for such situations, God just said to objects "thou will stop speeding up when you have a negative acceleration, capito?" <<>> The answer could be 'yes' if the body has a negative velocity as well as a negative acceleration (relative to a given system of coordinates). In that case the speed is increasing even though the acceleration is negative.
What is the part of the autonomic nervous system that is always active and acts as an acceleration for organs?
sympathethic nervous system
Is potential energy in k-shell is negative then why?
bcoz the energy of bound system is always negative
Can binding energy be negative?
No, binding energy cannot be negative. Binding energy is always a positive quantity that represents the energy required to hold a system together. If the binding energy were negative, it would imply that the system is in an unstable state.
What is the impact of negative friction on the efficiency of a system?
Negative friction, also known as drag or resistance, can significantly reduce the efficiency of a system by slowing down the movement of objects or components within the system. This can lead to increased energy consumption, decreased performance, and potential damage to the system over time. In essence, negative friction hinders the smooth operation of a system, ultimately impacting its overall effectiveness and productivity.
When will be entropy negative?
Entropy is a measure of disorder in a system and is always equal to or greater than zero according to the second law of thermodynamics. Entropy cannot be negative in a closed system.
What detects gravity and linear acceleration?
The inner ear's vestibular system is responsible for detecting linear acceleration, which includes changes in motion like speeding up or slowing down. Gravity is sensed by the otolith organs within the vestibular system, specifically the utricle and saccule, which detect changes in head position and orientation relative to gravity.
How can the concept of negative work in physics affect the overall dynamics of a system?
Negative work in physics occurs when the force applied to an object is in the opposite direction of its motion. This can result in a decrease in the object's kinetic energy and a change in its velocity. In a system, negative work can lead to a decrease in the overall energy and momentum, affecting the system's dynamics by slowing down or changing the direction of its motion.
Can the normal force be negative in a physical system?
No, the normal force cannot be negative in a physical system. It always acts perpendicular to a surface and opposes the force pushing against it.
Why is negative cam provided on the air starting system in a diesel two stroke engine?
negtive means downward and inward movement of cam. Due to ease to reversing and reduce acceleration forces cam is negative
