Question

1) a pitcher throws a baseball at 95 mi/hr. how long will it take to go 60 ft ?

2) the walking speed of a typical adult is closest to: a) 3 mph b) 0.3 mph c) 30 mph

3) the length of a runway at a typical airport is closest to: a) 10,000 miles b) 10,000 ft    c) 10,000 inches

4) there is a runway 4 at LaGuardia airport. this number 4 is a reference to: a) the runway's length b) the runway's direction c) the runway's width

5) when a skydiver is falling at terminal velocity, which of the following is true ? a) wt is greater than air resistance b) air resistance is greater than weight    c) wt = air resistance

6) when a baseball is hit straight up in the air, which of the following is true ? a) it accelerates on the way and decelerates on the way down    b) it decelerates on the way up and accelerates on the way down    c) it decelerates on the way up and moves a constant speed on the way down

7) if something has an acceleration of zero, is it possible for it to be moving ? a) yes b) no

8) how much force is needed to make an 8 lb weight accelerate at 5 ft/s² ?

9) which of the following is not a measure of acceleration ? a) 5 ft/s²    b) 4 m/s²    c) 3 m/s

10) the A train has an average speed of 30 mph between two stops. The stops are 1 mile apart. How long does it take to travel between the stops ?

11) which is faster ? a) 100 knots    b) 100 mph    c) 100 ft/s

12) velocity is the united states is normally measured in miles/hr. in most other countries of the world it is measured in kilometers/hr. why ? a) mi/hr is always easier to use b) when the united states was founded kilometers did not yet exist    c) mi/hr is more accurate than km/hr d) there is no scientific reason

13) when talking about projectiles, the letter "g" is normally used to represent: a) weight b) gravitational acceleration c) distance travelled due to gravity

14) when a basketball is dropped from a 2 story building, how far will it fall in one second ?

15) in Manhattan, when you walk from 23rd street to 34th street, in which direction are you heading ? a) south b) north c) east

16) under normal conditions, which travels faster ? a) light b) sound c) buses

17) which is the longest time ? a) 2 hours    b) 5,000 seconds c) 0.05 days

18) which of the following is not a vector ? a) weight b) velocity c) mass

19) if you are flying at 400 knots, how far will you travel between 1:10 pm and 1:20 pm ?

20) the lift force on an aircraft is most directly to: a) it's airspeed b) it's groundspeed    c) the windspeed

21) what is the definition of "mass" ?

22) a plane touches down on a runway at 100 knots and decelerates at 20 ft/s². how far will it travel in the first 2 seconds of deceleration ?

23) is there any spot on the surface on the surface of the earth where gravitational acceleration is zero ?

24) gravitational acceleration on the moon is zero a) true b) false

25 ) 32 ft/s² is sometimes called "1 g". 32 ft/s² is the same as: a) 9.8 m/s b) 9.8 cm/s²   c) 9.8 m/s²

Answer 1

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