An automobile travels due north with a speed of 68 km/h and an acceleration of 1.5 m/s2 . All forces considered, the unbalanced force acting on the auto is

a. zero.
b. southward.
c. northward.
d. downward.
e. upward.


c

Physics & Space Science

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At a given location in space, the potential is known to be greater when one moves in any direction. To be more specific, no matter which direction one goes, a small step in that direction results in an increase in the potential by the same amount. This means that the Electric field at this location is

A. Can take on any value at all. B. Zero C. Negative D. Positive

Physics & Space Science

In a Nb nucleus, the number of protons, neutrons, and electrons is

A) 41, 52, 93. B) 41, 52, 52. C) 41, 52, 41. D) 41, 52, 0. E) 52, 41, 0.

Physics & Space Science

The atomic number is equal to the number of what particles in the nucleus?

A) protons B) neutrons C) nucleons D) electrons E) positrons.

Physics & Space Science

Cryptosporidiosis was added to the national list of notifiable diseases in 1995 after a widespread outbreak in which American city?

What will be an ideal response?

Physics & Space Science