sajjad111hussain602 sajjad111hussain602

03-05-2020
Physics

contestada

A car, initially at rest, travels 20 m in 4 s along a straight line with constant acceleration. the acceleration of the car is

Respuesta :

Chelboy Chelboy

08-05-2020

Answer:acceleration=2.5m/s^2

Explanation:

initial velocity(u)=0

Distance(d)=20m

Time(t)=4seconds

Acceleration=a

D=uxt+(axt^2)/2

20=0+(ax4^2)/2

20=(ax4x4)/2

20=16a/2

Cross multiplying we get

20x2=16a

40=16a

Divide both sides by 16

40/16=16a/16

2.5=a

Acceleration=2.5m/s^2

Answer Link

Otras preguntas

All of the following are examples of secondary sources except a biography of Otto von Bismarck a letter from a soldier who fought in the nepoleonic wars a world

The majority of early psychological research reflected the __________. A. differences among males and females B. concerns and interests of minorities C. diff

In ∆ABC, m∠A = 60º, m∠C = 30º, and AB = 6 inches. What is the length of side BC?

How do i multiply a mixed number?

what is the degree of this monomial 17x^5y^2

Simplify 2x-(3•0.6x+2.7)

In a motion diagram, the size of the object must be less than the distance moved.

Count the cubes and find the volume of the rectangular prism

6.03 The Alchemist B What is the most essential quality to understanding the Language of the World? ambition wisdom courage passion

Give the dimensions of the rectangle with an area of 100 square units and whole number side lengths that has the largest perimeter and the smallest perimeter?