A small car traveling with 5,000 kgm/s hits a light truck that was at rest at a red light. After the collision the small car bounces backwards with a momentum of 3,000 kgm/s. What would the momentum of the truck be after the collision?

The development of the computer allowed cognitive psychologist to do all of the following except. A. design an interactive model of a human brain on the computer B. Study which parts of the brain are active during certain mental tasks C.

What is matter? A: matter is anything that is made of atoms and that has mass. B: matter is a compound. C: matter is an element. D: matter is anything that is made of organic substances and is found on the earth.

Radiant energy has properties similar to

Chandra is doing an experiment to find out which type of dog food her dog prefers. The following are the steps of her experiment: 1. Place five identical bowls next to each other in the dog's yard. 2.

Two objects attract each other gravitationally. if the distance between their centers decreases by a factor of 2, how does the gravitational force between them change

Showing how a projectile motion is parabolic

In deep space, there is very little friction. Once they launch a probe into deep space, where there are no external forces acting on it, scientists shut the probe's engines off because the scientists want the probe to

What is the atmosphere and why is it important?

A loud sound is produced in the downtown section of a city. Which of the following is least likely to occur with sound wave.

A crying baby emits sound with an intensity of 8.0 * 10-8 w/m2. calculate a reasonable estimate for the intensity level from a set of quintuplets (five babies), all crying simultaneously at the same place? the lowest detectable intensity is 1.