Stephen can push with 200N of force on a couch. if the couch has a mass of 20 kg, how much acceleration will the couch have? the answers: 4,000 m/s/s, 100 m/s/s, 10 m/s/s, 180 m/s/s.

Which description includes a vector quantity? A The car is moving at 70 miles/hr. B The car's velocity changes at 9.8 m/s2. C The plane is flying at 850 miles/hr. D The box moved left 20 meters.

Signs that say "do not use near an open flame" refer to a (n) A) energy property. B) chemical property. C) physical property. D) mechanical property.

Explain why objects moving in fluids must have special shapes?

What the difference between monatomic and colloidal gold?

A race car exerts 19,454 n while the car travels at a constant speed of 201 mph, 91.36 m/s. what is the mass of the car?

When Little Albert was conditioned to be afraid of the white mouse, he also became afraid of stuffed animals, other furry things, and even Santa Claus. These learned behaviors demonstrated the phenomenon of Select one: A. extinction X B.

An object floats in liquid of density 1.2*10kgm/3 with one quarter of its volume above the liquid surface. Determine the density of the object

In cloud formation, water vapor turns into water droplets which get bigger and bigger until it rains. This will cause the temperature of the air in the clouds to: a. get warmer. b. get cooler. c.

Find the work done by a 25N force applied for 6 meters

The buildup of charges on an object is called