7490

Physics Measurements Level: Misc Level

A certain physical quantity,R, is calculated using the formula;4 a2 (b-c) where a, b, and c are distances. What is the SI unit for R?

a. cm

b. cm2

c. m

d.m2

e. m3


7416

Physics Measurements Level: Misc Level

Verify the product rule in the case of a ratio x/y by dividing both sides of equation (11) by z=x/y.


7415

Physics Measurements Level: Misc Level

Eualuate z, and write the ualue of z with its uncertainty, using the correct number of significant figures. Is z most sensitive to the uncertainty in the measurement of x or of y? Explain.


7414

Physics Measurements Level: Misc Level

Bob measures the side length of a cube, obtaining a ualue of 2.5 cm. Assuming this value is correctly rounded off, what is its uncertainty?Calculate the volume of the cube, with its uncertainty. Calculate also the relative uncertainty in the volume, given as a percentage.


7413

Physics Measurements Level: Misc Level

What is the relative uncertainty in the measured diameter?


7412

Physics Measurements Level: Misc Level

Bob weighs himself in the morning on a digital scale (calibrated in pounds), shown in the picture below .What is the uncertainty in his measurement? What is the relative uncertainty in Bob ,s weight, expressed as a percentage of his weight?


7411

Physics Measurements Level: Misc Level

Given a sheet of paper and a ruler, can you think of two indirect measurements you could make?What direct measurements would you need in each case?


7410

Physics Measurements Level: Misc Level

Alice measures the diameter of a CD and gets a value of 117 mm, so she reports the value of the circumference as 367.5663404700058 mm, What ,s wrong with this picture?


7409

Physics Measurements Level: Misc Level

The minute hand and hour hand of an anglog clock coincide at 12;00;00.Determine (up to the second) all times when these two hands are at right angles. Put final results in a neat table. Need work and solution*


7371

Physics Measurements Level: Misc Level

A mmonium oxalate is used in the manufacture of explosives. It has density of 1.5 g/cm3. What is the mass of 450 cm3 of this substance?


7114

Physics Measurements Level: Misc Level

Find the weight of a 5.5 slug safe.


6360

Physics Measurements Level: Misc Level

6.0 X 10 to the first power is approximately -27 m/s,27 km/h, 96 m/s, 29 km/h


6359

Physics Measurements Level: Misc Level

A 2 liter bottle of soda gives you more for your money than a 2- qt bottle would, at the same price. True or False.?


6358

Physics Measurements Level: Misc Level

Substitute the correct prefix to the fun -word 10-card. Giga, pico, milli, deka,tera


6353

Physics Measurements Level: Misc Level

A Football field is a 120 yards long and 50 yards wide. What is the area of the football field in m squared


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