|
What is the speed in miles per hour of a beam of lighttraveling at 3.00 x 108 m/s?
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|
0
|
1067
|
March 8, 2018
|
|
Many highways have a speed limit of 55 mi/h. (a) Is this speed greater than, less than, or equal to 55 km/h?
|
|
0
|
2241
|
March 8, 2018
|
|
The Star of Africa The Star of Africa, a diamond in the royal scepter of the British crown jewels,
|
|
0
|
2685
|
March 8, 2018
|
|
BIO Blue Whales The blue whale (Balaenoptera musculus) is thought to be the largest animal
|
|
0
|
759
|
March 8, 2018
|
|
An electronic advertising sign repeats a message every 7 seconds, day and night, for a week
|
|
0
|
3766
|
March 8, 2018
|
|
Angel Falls Water going over Angel Falls, in Venezuela, the world’s highest waterfall, drops
|
|
0
|
1876
|
March 8, 2018
|
|
How long does it take for radiation from a cesium-133 atom to complete 1.5 million cycles?
|
|
0
|
5569
|
March 8, 2018
|
|
He Ark of the Covenant is described as a chest of acacia wood 2.5 cubits in length and 1.5 cubits in width and height
|
|
0
|
3401
|
March 8, 2018
|
|
(a) The largest building in the world by volume is the Boeing 747 plant in Everett, Washington
|
|
0
|
5276
|
March 8, 2018
|
|
Mantis Shrimp Peacock mantis shrimps (Odantodactylus scyllarus) feed largely on snails.They shatter the shells of their prey
|
|
0
|
2696
|
March 8, 2018
|
|
What is the area of acircle of radius (a) 14.37 mand (b) 3.8 m?
|
|
0
|
903
|
March 8, 2018
|
|
How many significant figures are there in (a) 0.000054 and (b) 3.001 x 108?
|
|
0
|
774
|
March 8, 2018
|
|
On a fishing trip you catch a 2.35-lb bass., a 12,1-lb rock cod, and a 12.13-lb salmon
|
|
0
|
2046
|
March 8, 2018
|
|
A parking lot is 144.3 m long and 47.66 m wide. What is the perimeter of the lot?
|
|
0
|
3462
|
March 8, 2018
|
|
The speed of light to five significant figures is 2.9979 x 108 m/s. What is the speed of light
|
|
0
|
7069
|
March 8, 2018
|
|
The first several digits of π are known to be π = 314159265358979…
|
|
0
|
1580
|
March 8, 2018
|
|
The Thickness of Hair A human hair has a thickness of about 70 µ m
|
|
0
|
2835
|
March 8, 2018
|
|
The time T required for one complete oscillation of a mass m on a spring of force constant k
|
|
0
|
5080
|
March 8, 2018
|
|
Newton’s second law states that acceleration is proportional to the force
|
|
0
|
634
|
March 8, 2018
|
|
Show that the equation v = v0 + at is dimensionally consistent
|
|
0
|
15613
|
March 8, 2018
|
|
Acceleration is related to distance and time by the following expression: a = 2xtp
|
|
0
|
1873
|
March 8, 2018
|
|
Which of the following quantities have the dimensions of a speed?(a) , (b) at, (c) (2x/a)1/2, (d) (2ax)1/2
|
|
0
|
3076
|
March 8, 2018
|
|
Which of the following quantities have the dimensions of a distance?
|
|
0
|
2932
|
March 8, 2018
|
|
Which of the following equations are dimensionally consistent? (a) x = vt, (b) , (c) t = (2x/a)1/2
|
|
0
|
12829
|
March 8, 2018
|
|
Give an order-of-magnitude estimate for the length in meters of the following:
|
|
0
|
2464
|
March 8, 2018
|
|
The speed of light in a vacuum is approximately 0.3 Gm/s
|
|
0
|
8045
|
March 8, 2018
|
|
A Fast Computer IBM has a computer it calls the Blue Gene/L that can do 136.8 teracalculations per second
|
|
0
|
4909
|
March 8, 2018
|
|
Give an order-of-magnitude estimate for the time in seconds of the following:
|
|
0
|
8474
|
March 8, 2018
|
|
Is it possible for two quantities to (a) have the same units but different dimensions
|
|
0
|
11304
|
March 8, 2018
|
|
If a distance d has units of meters, and a time T has units of seconds, does the quantity T + d make sense physically?
|
|
0
|
2125
|
March 8, 2018
|