A car accelerates from rest to 30 km/h. Later, on a highway it accelerates from 30 km/h to 60 km/h. Which takes more energy, going from 0 to 30, or from 30 to 60?

(a) 0 to 30 km/h.
(b) 30 to 60 km/h.
(c) Both are the same.


Ans: (b) 30 to 60 km/h.

Physics & Space Science

You might also like to view...

When calculating the rate of a disease, which of the following is generally the denominator of the calculation?

a. Population infected b. Population at risk c. Total state population d. Total world population

Physics & Space Science

In science, the tendency of an experiment to produce a particular result is referred to as

A) a deviation B) bias C) an error D) an uncertainty

Physics & Space Science

An object is being acted upon by three forces and moves with a constant velocity. One force is 60.0 N along the x-axis, the second is 75.0 N along the y-axis. What is the magnitude of the third force?

A) 135 N B) 15.0 N C) 48.0 N D) 67.5 N E) 96.0 N

Physics & Space Science

A blue camera filter appears blue because it transmits blue light, absorbing all other colors

Indicate whether the statement is true or false

Physics & Space Science