What does the formula F = ma represent? A. Force is equal to mass times acceleration. B. Force is equal to acceleration divided by mass. C. Force is equal to mass divided by acceleration. D. Force is E. qual to the square of acceleration times mass. ...
What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 9.0 m / s when going down a slope for 2.1 s? What is the magnitude of the average acceleration of a skier who,...
Q9. What is the formula for average speed? The formula for average speed is the total distance travelled divided by the total time taken. Q9. What is the difference between instantaneous and average velocity? Instantaneous velocity is the velocity of an object at a specific instant...
This is called its kinetic energy, and it is dependent on the square of the object's velocity (v) as well as one half of its mass (m). An object at rest in Earth's gravitational field possesses potential energy by virtue of its altitude; if it were to fall freely, it would gain ...
The term "dimensional formula" refers to represent the unit of a given physical quantity by using fundamental quantities. Here, the dimensional formulas of mass, time, and length are represented by M, T, and L, respectively.Answer and Explanation: ...
a sports car accelerates from rest to 96 km/h in 4.5 s . what is its average acceleration in m/s2. Suppose that a car can accelerate from 30 mph to 50 mph in 4 seconds. Assuming a constant acceleration, find the acceleration (in miles p...
Solved Examples on Speed Formula1. What is the average speed of a car that travels a distance of 120 miles in 2 hours?Solution:Distance = 120 milesTime = 2 hoursUse the speed formula to calculate the speed.Speed $= \frac{Distance}{Time}$...
An object that starts at rest accelerates until it is moving at 247 km/h. If it takes 1.7 minutes for this change to occur what is the average acceleration in m/s^2? An object initially at rest accelerates uniformly at 5 m/s^2 until it...
Solving for Rate (Speed) One way to use the equation for speed is to calculate the speed of a traveling object. For example, a car travels 400 miles in seven hours and you want to know how fast, on average, the car traveled. Using the equation, plug in the distance of 400 miles fo...
Momentum is the rate of acceleration of asecurity'sprice—that is, the speed at which the price is changing. Market momentum refers to the aggregate rate of acceleration for the broader market as a whole. Market momentum can be used as a measure of overallmarket sentimentthat can support buy...