question archive 1)The radius of a sphere is determined to be 2
1)The radius of a sphere is determined to be 2
Subject:PhysicsPrice: Bought3
1)The radius of a sphere is determined to be 2.1 +/- 0.10 cm. What is the uncertainty in the volume of the sphere in cm3?
2)The sides of a small rectangular box are measured to be 2.09 +/- 0.01 cm, 7.42 +/- 0.02 cm, and 4.8 +/- 0.1 cm long. Calculate the uncertainty in its volume in cubic centimeters.
3)Suppose that your bathroom scale reads your mass as 76 kg with a 4% uncertainty. What is the uncertainty in your mass (in kilograms)?
4)Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such plate has an average speed of 4.0 cm/year. How many nanometers does it move in 26.0 s at this speed? (1 year = 365 days)
5)Suppose that your bathroom scale reads your mass as 76 kg with a 4% uncertainty. What is the uncertainty in your mass (in kilograms)?
6. An infant's pulse rate is measured to be 133 +/- 4 beats/min. What is the percent uncertainty in this measurement?
7. If your speedometer has an uncertainty of 2.4 km/h at a speed of 85 km/h, what is the percent uncertainty?
8. A bottle contains 3.75 L of soda. What percentage is left after 3.49 L is removed?
9. Express the time 147 μs in scientific notation?
10. The speed limit on some interstate highways is roughly 165 km/h. What is this in meters per second?
