Questions from College Physics

Q: Solve the following problem and express the answer in meters per second

Solve the following problem and express the answer in meters per second (m/s) with the appropriate number of significant figures: (3.21 m)/ (7.00 ms) =? Hint: Note that ms stands for milliseconds.

Q: The density of body fat is 0.9 g/

The density of body fat is 0.9 g/cm3. Find the density in kg/m3.

Q: A cell membrane is 7.0 nm thick. How

A cell membrane is 7.0 nm thick. How thick is it in inches?

Q: The label on a small soda bottle lists the volume of the

The label on a small soda bottle lists the volume of the drink as 355 mL. Use the conversion factor 1 gal = 128 fl oz. (a) How many fluid ounces are in the bottle? (b) A competitor's drink is labele...

Q: The length of the river span of the Brooklyn Bridge is 1595

The length of the river span of the Brooklyn Bridge is 1595.5 ft. The total length of the bridge is 6016 ft. Convert both of these lengths to meters.

Q: The quantity of energy Q transferred by heat conduction through an insulating

The quantity of energy Q transferred by heat conduction through an insulating pad in time interval Δt is described by Q/Δt = κA ΔT/d, where κ is the thermal conductivity of the material, A is the face...

Q: A beaker contains 255 mL of water. What is the

A beaker contains 255 mL of water. What is the volume of the water in (a) cubic centimeters? (b) cubic meters?

Q: A nerve impulse travels along a myelinated neuron at 80 m/

A nerve impulse travels along a myelinated neuron at 80 m/s. What is this speed in (a) mi/h and (b) cm/ms?

Q: The first modern Olympics in 1896 had a marathon distance of 40

The first modern Olympics in 1896 had a marathon distance of 40 km. In 1908, for the Olympic marathon in London, the length was changed to 42.195 km to provide the British royal family with a better v...

Q: At the end of 2006 an expert economist predicted a drop in

At the end of 2006 an expert economist predicted a drop in the value of the U.S. dollar against the euro of 10% over the next five years. If the exchange rate was $1.27 to 1 euro on November 5, 2006,...