speed is the ratio of the distance an object moves to a. the direction the object moves. b. the amount of time needed to travel
2 answers:
Option (b) is correct. Speed is the ratio of the distance an object moves to <u>the amount of time needed to travel the distance. </u>
<u> </u>
Further Explanation:
The speed of a body is defined as the rate of the distance covered by the body. It means that the speed is the measure of the amount of distance covered by a body in a particular interval of time.
The mathematical expression for the velocity of a body is given as.
The above mathematical expression shows that the speed of a body is the ratio of the distance covered by the body to the amount of time taken by the body to cover the particular distance.
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Answer Details:
Grade: High School
Chapter: Speed and distance
Subject: Physics
Keywords: Speed, ratio, distance, displacement, rate of distance, covered by body, time taken, mathematical expression, an object.
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Answer:
Explanation:
Acceleration is expressed in the following formula:
Where:
is the final velocity of the projectile
is the initial velocity of the projectile
is the time
Solving:
This is the acceleration of the projectile
Answer:
The correct answer is "24 V".
Explanation:
The given values are:
Current,
I = 0.50 A
Resistance,
R = 12 W
As we know,
⇒
On substituting the given values, we get
⇒
⇒
⇒