A car of mass 1200 kg traveling westward at 30. m/s is slowed to a stop in a distance of 50. m by the car's brakes. What was the braking force? Select one:

A. 1,800,000 N B. 0.80 N C. 11,000 N D. 2000 N

Acid rain is the direct result of acid released by burning fossil fuels. T/F

The entire electromagnetic spectrum can be divided into seven bands: radio, microwave, infrared, visible, ultraviolet, X ray, and gamma ray (from longest to shortest wavelength).

Conduction is the process in which

Which of the following best demonstrates the effect of static friction? A. A person dropping a ball to the ground. B. A person pushing a couch and it slowly sliding across a floor C. A person pushing a couch without being able to move it D.

What invention proved wagner to be right?

NaCI is__ an acid a base a salt

A rocky space object of varying size

Three balls are kicked from the ground level at some angles above horizontal with different initial speeds. All three balls reached in their paths the samemaximum height.

A solar eclipse will occur Group of answer choices 1. at every full Moon. during every new Moon. 2. at full Moon only when the Moon is on the ecliptic. 3. at new Moon only when the Moon is on the ecliptic.

What happens when energy in the molecules of an ice cube when it begins to melt