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What is the value of g in upward direction?
The value of acceleration due to gravity (g) in the upward direction is typically taken as -9.81 m/s^2, where the negative sign denotes the opposite direction from the conventionally positive direction of the acceleration vector.
What has to happen to a car's acceleration and velocity for a car's speed to increase and have a positive acceleration?
For a car's speed to increase and have a positive acceleration, the car's velocity needs to be increasing in the same direction as its acceleration. This means that the car is speeding up. When the velocity and acceleration have the same sign (both positive or both negative), the car's speed will increase.
How can you tell if acceleration is positive or negative?
Acceleration is positive when an object is speeding up in the positive direction (e.g., increasing velocity), and negative when the object is slowing down in the positive direction or moving in the negative direction (e.g., decreasing velocity). The sign of acceleration depends on the direction of the change in velocity relative to the direction of motion.
What is the magnitude of the upward acceleration of the load of bricks?
The magnitude of the upward acceleration of the load of bricks is the measure of how fast the load is moving upwards.
When is acceleration due to gravity positive and when is it negative?
Acceleration due to gravity is negative when an object is moving up. Accl'n due to gravity is positive when an object is moving down (since gravity acts downwards on an object). ^Acceleration due to gravity is always negative, while the acceleration of the ball upward was positive due to what threw it, not gravity.
When acceleration upward or downward direction is taken positivw or negative?
If it is gravitational acceleration then it it is positive in downward and negative in upward direction..if it is not gravitational acceleration then it is depending upon the value of acceleration.
A student drops a penny from the top of a tower and decides that she will establish a coordinate system in which the direction of the penny's motion is positive what is the sign of the acceleration of?
The sign of the acceleration is positive.
What is the value of g in upward direction?
The value of acceleration due to gravity (g) in the upward direction is typically taken as -9.81 m/s^2, where the negative sign denotes the opposite direction from the conventionally positive direction of the acceleration vector.
What has to happen to a car's acceleration and velocity for a car's speed to increase and have a positive acceleration?
For a car's speed to increase and have a positive acceleration, the car's velocity needs to be increasing in the same direction as its acceleration. This means that the car is speeding up. When the velocity and acceleration have the same sign (both positive or both negative), the car's speed will increase.
How are deceleration and acceleration related?
Acceleration and deceleration are related by their their sign. Acceleration is positive ( increase in velocity with time) and deceleration is negative (decrease in velocity with time).
How can you tell if acceleration is positive or negative?
Acceleration is positive when an object is speeding up in the positive direction (e.g., increasing velocity), and negative when the object is slowing down in the positive direction or moving in the negative direction (e.g., decreasing velocity). The sign of acceleration depends on the direction of the change in velocity relative to the direction of motion.
What is the magnitude of the upward acceleration of the load of bricks?
The magnitude of the upward acceleration of the load of bricks is the measure of how fast the load is moving upwards.
Is stems growing upward positive or negative?
An upward direction is usually considered positive.
When is acceleration due to gravity positive and when is it negative?
Acceleration due to gravity is negative when an object is moving up. Accl'n due to gravity is positive when an object is moving down (since gravity acts downwards on an object). ^Acceleration due to gravity is always negative, while the acceleration of the ball upward was positive due to what threw it, not gravity.
How does the graph of velocity vs. time look for something with a constant positive acceleration?
An upward sloping straight line.
What is positive acceleration formula?
The formula for positive acceleration is: acceleration = change in velocity / time taken. Positive acceleration means an increase in velocity over time.
Can the velocity of an object be negitive when its acceleration is positive?
That just means that the velocity and acceleration are in oppposite directions ... exactly the situation when a car is slowing down for a stop, or a ball is tossed upward and hasn't reached the peak yet.
