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Why is Dc series motor used to start at heavy load?
due to its high initial torque value. the DC series motor is a Constant power motor, equal to the RATED POWER if it has at rated value of the U and I. Angular velocity=Rated Power/Torque, so Torque =Rated Power/Angular Velocity thus, in the start the velocity is zero or near, so, the Torque is infinit or very higt
What is the initial condition of the elements capacitor and inductor that have no initial energy stored?
The initial condition of a capacitor that has no energy stored is zero volts. The initial condition of an inductor that has no energy stored is zero amperes.
How is direction of rotation for single phase induction motor determined?
A single phase induction motor is not self starting; thus, it is necessary to provide a starting circuit and associated start windings to give the initial rotation in a single phase induction motor. The normal running windings within such a motor can cause the rotor to turn in either direction, so the starting circuit determines the operating direction.
What is a pickup current?
the initial movement of a machine which requires magnitude to move or to be active
Advantage of double circuit distribution line?
1. initial cost is low 2. reduce the loss by reducing the resistance
When the initial velocity is zero?
When the initial velocity is zero, the object is at rest, and there is no motion in the direction of the velocity. This means that the object will not have any kinetic energy due to its velocity at the initial moment.
What is the formula of velocity?
There are several definitions. not just one. Average velocity in a direction = Average displacement (distance) in that direction/time Instantaneous velocity in a direction = derivative of displacement in that direction with respect to time Average velocity in a direction = Initial velocity in that direction + Average acceleration in that direction * time Instantaneous velocity in a direction = Definite integral of acceleration in that direction with respect to time, with initial velocity at t = 0 Then there are others in which time is eliminated.
initial velocity what bis this?
Initial velocity is the velocity of an object at the starting point of its motion. It refers to the speed and direction of an object at the beginning of its journey.
What is the horizontal component of the initial velocity of the ball?
The horizontal component of the initial velocity of the ball is the velocity in the horizontal direction at the moment the ball is launched. It represents the speed and direction at which the ball is moving side-to-side.
What is the initial direction on the projectile's velocity?
The initial direction of a projectile's velocity is typically determined by the angle at which it is launched relative to the horizontal plane. This angle will influence both the horizontal and vertical components of the velocity.
In physics when doing projectile maotion how do you find the initial velocity of the x axis?
To find the initial velocity of the x-axis in projectile motion, you can use the formula: (v_{0x} = v_0 \cdot \cos(\theta)), where (v_{0x}) is the initial velocity in the x-direction, (v_0) is the initial velocity of the projectile, and (\theta) is the angle of projection. By multiplying the initial velocity with the cosine of the launch angle, you can determine the initial velocity in the x-axis direction.
Can the velocity of object reverse direction when its acceleration is constant?
Yes, the velocity of an object can reverse direction even when its acceleration is constant. This can happen when the object is subjected to an acceleration in the opposite direction to its initial velocity, causing it to slow down and eventually reverse direction.
What is the range of change of velocity?
The range of change of velocity is determined by the final velocity minus the initial velocity. It represents the magnitude and direction of the change in velocity of an object.
Is it true that the vertical component of the projectile motion of an object depend on initial velocity only?
Yes, in projectile motion, the vertical component of motion is influenced by the initial velocity in the vertical direction. The horizontal and vertical components of motion are independent of each other, with the horizontal component being influenced by the initial velocity in the horizontal direction.
Can a bus change direction of its velocity when traveling with constant acceleration?
Yes, a bus can change the direction of its velocity when traveling with constant acceleration. This change in velocity can occur when the bus is accelerating in the opposite direction to its initial velocity. The bus will slow down, stop, and then start moving in the opposite direction.
Can direction of velocity of a body change when its acceleration is constant?
Yes, the direction of velocity of a body can change even when its acceleration is constant. This can happen if the acceleration and initial velocity of the body are not aligned in the same direction. The body will still experience a change in velocity due to the constant acceleration, which can lead to a change in direction.
When an object's final velocity is less s acceleration?
When an object's final velocity is less than its initial velocity, it is said to be decelerating or slowing down. This can occur if the acceleration is in the direction opposite to the initial velocity, causing the object to decrease its speed over time.
