Chapter 1 - Mathematics and Physics

5.7 x 10⁻⁸ m

Convert the following measurement to meters: 57 nm.

6.2 x 10⁻¹² m

Convert the following measurement to meters: 6.2 pm

21.4 m

Add the following measurements and express the answer to the correct number of significant figures. 16.2 m + 5.008 m + 0.23 m

Sink

Based on the graph do you expect vegetable oil to sink or float in isopropyl alcohol?

0.75 megahertz

How many megahertz is 750 kilohertz?

v = F/Bq

Rewrite F = Bqv to find v in terms of F, B, and q.

3.1 kg

Subtract the following measurements: 15.07 kg - 12.0 kg

408 kg*m/s²

The force due to gravity is F =mg, where m is mass, F is gravitational force, and g = 9.8m/s². Find the force due to gravity on a 41.63 kg object.

C

The force of a magnetic field on a charged, moving particle is given by F = Bqv, where F is force in units of kg*m/s², q is the charge in A*s, and v is the speed in m/s. B is the strength of the magnetic field, measured in teslas (T). What is 1 tesla described in the above base units? A.) 1 A/kg B.) 1 kg/A C.) 1 kg/(A*s²) D.) 1 s/(kg*A)

A

Which formula is equivalent to D = m/V? A.) V= m/D B.) V = mV/D C.) V = Dm D.) V = D/m

Gold

Which substance has the greatest density?

8.00 g/cm³

A 17.6 g sample of metal is placed in a graduated cylinder containing 10.0 cm³ of water. If the water level rises to 12.20 cm³, what is the density of the metal ?

2.9x10⁹ m²

Multiply. (6.2 x 10¹⁸ m)(4.7 x 10⁻¹⁰ m) =

No

Pressure is measured in pascals (Pa), where 1 Pa = 1 kg/(m*s²). Will the following calculation give a pressure in the correct units? (0.55 kg)(2.1 m/s) ÷ (9.8 m/s²)

1

State the number of significant figures in the following measurement: 0.00003 m

4

State the number of significant figures in the following measurement: 64.01 cm

6

State the number of significant figures in the following measurement: 80.0001 g