A car weighing 5000 N is traveling along a straight level road powered by a forward drive force of 500 N. The force of air resistance is 200 N, and rolling resistance is 100 N. The net force on the car is

A) 200 N forward.
B) zero.
C) 300 N backward.
D) 5000 N downward.
E) 500 N forward.


A

Physics & Space Science

You might also like to view...

Which way does the Sun appear to move along the ecliptic from day to day?

What will be an ideal response?

Physics & Space Science

A radioactive nuclide of atomic number Z emits an alpha particle and the daughter nucleus then emits a beta particle. What is the atomic number of the resulting nuclide?

A) Z-1 B) Z+1 C) Z-2 D) Z-3

Physics & Space Science

Conservation of Momentum: A 328-kg car moving at 19.1 m/s in the +x direction hits from behind a second car moving at 13.0 m/s in the same direction. If the second car has a mass of 790 kg and a speed of 15.1 m/s right after the collision, what is the velocity of the first car after this sudden collision?

A. 14.0 m/s B. 18.2 m/s C. 24.2 m/s D. -14.0 m/s

Physics & Space Science

A baseball outfielder throws a baseball of mass 0.15 kg at a speed of 40 m/s and initial angle of 30°. What is the kinetic energy of the baseball at the highest point of the trajectory?

Physics & Space Science