Physics Units Level: Misc Level
Which one of the following combinations of units is equivalent to the ohm?
(a) V/C
(b) A/J
(c) J/S
(d) J* s/C^2
(e) W/A,<------my answer
Physics Units Level: Misc Level
Which of the following in not a unit of work:J,
kg-m/s, kW-h, W-s, N-m
Physics Units Level: Misc Level
If x=a +bt +ct2, where x is in meters and t in seconds,the unit of c is:
a. 1/2 m
b. m
c.m/2 s
d.m/s
Physics Units Level: Misc Level
The unit of work is:
a. kg m2/s2
b. kg m/s
c.kg m2/s
d. kg m/s2
Physics Units Level: Misc Level
Which of the following would correctly convert a Fahrenheit temperature (F) to a Kelvin (K) value?
Physics Units Level: Misc Level
Which two temperature changes are equivalent?
Physics Units Level: Misc Level
What is the required dimension for the quantity C5 in the expression =S/C5?
Physics Units Level: Misc Level
What is the required dimension for the quantity C4 in the expression s=C3 cos (C4t) ?
Physics Units Level: Misc Level
What is the required dimension for the quantityC3 In the expression S= C3 cos (C4 t)?
Physics Units Level: Misc Level
the density of wood in the cgs system is 0.5 g over cm^3 the corressponding value in SI units are?
Physics Units Level: Misc Level
Helium has the lowest boiling point of all elements. It boils at -269 % C. Express that temperature in kelvins.
Physics Units Level: Misc Level
Dermatologists often remove small precancerous skin lesions by freezing them quickly with liquid nitrogen , which has a temprature of 77K.
(a) What is this tempurature on the Celsius scale?---%C
(b) What is this temperature on the Fahrenheit scale?-----%F
Physics Units Level: Misc Level
A personal computer is designed to operate over the temperature range from 53o to 109o F.
(a) To what do these temperatures correspond on the Celsius scale?----%C to ----% C
(b) To what do these temperatures correspond on the Kelvin scele?----K to ----K
Physics Units Level: Misc Level
1 Watt is the same as:
(a) 1 kg m2 /s2
(b) 1 N m
(c) 1 J s
(d) 1 kg m2 /s 3
Physics Units Level: Misc Level
One student, using unit analysis, says that the equation is dimensionally correct. Another says it isn't With whom do you agree, and why? In the equation, v is velocity, a is acceleration, and x is distance.
