benbearer24
benbearer24 benbearer24
  • 03-05-2021
  • Physics
contestada

1. A train is moving north at 5 m/s on a straight track. The engine is causing it to accelerate northward at 2 m/s^2.
How far will it go before it is moving at 20 m/s?
A) 83
B) 43
C) 39
D) 94
E) 20

Respuesta :

Trancescient
Trancescient Trancescient
  • 03-05-2021

Answer:

(D) x = 93.8 m

Explanation:

v^2 = v0^2 + 2ax

(20 m/s)^2 = (5 m/s)^2 + 2(2 m/s^2)x

Solving for x,

x = 93.8 m

Answer Link

Otras preguntas

The neolithic revolution is most closely associated with....
A 4.5 newton object is placed in a tank of water. If the water exerts a force of 4.0 newtons on the object, will the object sink or float?
What is the lateral area of the rectangular prism? Assume the prism is resting on its base. A. 135 in2 B. 270 in2 C. 300 in2 D. 310 in2
16 increased by twice a number is -24. Find the solution??
Horace read 160 pages in 4 hours. How many pages can he read in 6 hours??
How consumers behaviour affect market equilibrium
Which of the following rivers is the world's busiest waterway ?
The formula C = 20x + 5 models the cost of New York Yankees T-shirts, where C is the cost and x is the number of shirts sold. Choose ALL TRUE statements in the
The Radius of a sphere is 5 feet. find the area of the great circle of this sphere
solve 2/3 + 1/4x = 1/3