Exam 1: Physics and Measurement

If you drove day and night without stopping for one year without exceeding the legal highway speed limit in the United States,the maximum number of miles you could drive would be closest to:

One U.S.fluid gallon contains a volume of 231 cubic inches.How many liters of gasoline would you have to buy in Canada to fill a 14-gallon tank? (Note: 1L = 10⁺³ cm³. )

A rectangle has a length of 1.323 m and a width of 4.16 m.Using significant figure rules,what is the area of this rectangle?

Which quantity can be converted from the English system to the metric system by the conversion factor ?

A standard exam page is 8.5 inches by 11 inches.An exam that is 2.0 mm thick has a volume of

Which one of the quantities below has dimensions equal to ?

The standard kilogram is a platinum-iridium cylinder 39 mm in height and 39 mm in diameter.What is the density of the material?

Which of the following quantities has the same dimensions as kinetic energy, ? Note: [a] = [g] = LT−²;[h] = L and [v] = LT−¹.

John and Linda are arguing about the definition of density.John says the density of an object is proportional to its mass.Linda says the object's mass is proportional to its density and to its volume.Which one,if either,is correct?

The term Occurs in Bernoulli's equation in Chapter 15,with ρ being the density of a fluid and v its speed.The dimensions of this term are

Which of the following products of ratios gives the conversion factor to convert miles per hour To meters per second ?

The basic function of a carburetor of an automobile is to atomize the gasoline and mix it with air to promote rapid combustion.As an example,assume that 30 cm³ of gasoline is atomized into N spherical droplets,each with a radius of 2.0 × 10−⁵ m.What is the total surface area of these N spherical droplets?

One mole of the carbon-12 isotope contains 6.022 × 10²³ atoms.What volume in m³ would be needed to store one mole of cube-shaped children's blocks 2.00 cm long on each side?

The equation for the change of position of a train starting at x = 0 m is given by )The dimensions of b are

A 2.00 m by 3.00 m plate of aluminum has a mass of 324 kg.What is the thickness of the plate? (The density of aluminum is 2.70 × 10³ kg/m³. )

If each frame of a motion picture film is 35 cm high,and 24 frames go by in a second,estimate how many frames are needed to show a two hour long movie.

The quantity with the same units as force times time,Ft,with dimensions MLT−¹ is

Spike claims that dimensional analysis shows that the correct expression for change in velocity, ,is ,where m is mass,t is time,and F is the magnitude of force.Carla says that can't be true because the dimensions of force are )Which one,if either,is correct?

One number has three significant figures and another number has four significant figures.If these numbers are added,subtracted,multiplied,or divided,which operation can produce the greatest number of significant figures?

What is the mass of air in a room that measures 5.0 m × 8.0 m × 3.0 m? (The density of air is 1/800 that of water).