An inclined plane is 30 meters long and 2 meters high. What is the mechanical advantage of the inclined plane? MA =

A football wide receiver rushes 16 m straight down the playing field in 2.9 s (in the positive direction). He is then hit and pushed 2.5 m straight backwards in 1.65 s. He breaks the tackle and runs straight forward another 24 m in 5.2 s.

The first man to orbit the earth was a russian cosmonaut by the name of sergey korolyov yuri gagarin kerim kerimov.

Why are new scientific models developed? a. to find out whether scientific ideas are correct b. because original models are never accurate c. to make the models look better d. in order to reflect the most recent discoveries

Quantum effects can be seen at the atomic and nano levels. Why is nanotechnology more useful than atomic technology for creating new products? It is too small for dangerous quantum effects to apply. It is too large for most quantum effects to apply.

3. Mechanical energy is the sum of the energy of an object. O kinetic and potential O potential and thermal O potential and chemical kinetic and chemical

Why does icing sugar dissolve more rapidly than granular sugar?

At t = 0 the components of a radio-controlled car's velocity are vx = 0.5 m/s and vy = 1.2 m/s. Find the components of the car's velocity at t = 4.

2) A window washer pulls themselves upward using a bucket pulley apparatus. A) How hard must pull downward to raise herself slowly at a constant speed? B) If she increases this force by 15%, what will her acceleration be?

A star with an original mass of 8 to 25 solar masses will ultimately become a? a) red giant b) white dwarf c) neutron star d) main sequence star

Racewalking involves more impact than running. true false