1. Which of the following was Archimede's not responsible for? the ship shaker the log mover Archimede's screw the composition of the king's crown
The structure,properties, and transformations of matter can best be explained by which of the following?
6 The mass of an electron in grams is written with a decimal point followed by 27 zeros and a 9. In scientific notation, this would be written as A 9times 10^27 B 9times 10^-27 C 9times 10^28 D 9times 10^-28
On average, a granny smith apple has a density of 0.930g/cm^3 Let's say you have a granny smith apple that weighs 345 grams Assuming it is of average density, what would be its volume in mL? Round to the correct number of significant figures. square
Which tool would you use to measure the mass of the rock? triple beam balance ruler graduated cylinder thermometer
What are some properties of your pencil, a sheet of paper or a metal fork? List properties of each. Your answer
21 Synthesize Describe how the properties of sound waves change as they spread out in a spherical pattern.
Which action best describes the Doppler effect? The absorption and emission of light and other radiation by matter The apparent change in frequency of waves due to the motion of a source The rate of vibrations producing it causes the height or depth of sound The measure of a star's true brightness and total energy emitted in space
2. How do the properties of liquids make the displacement method of measuring volume possible?
Multiple Choice 1 point A man on an airplane is walking toward the back of the airplane at 7m/s The plane is flying West at 245m/s What is the speed and direction of the man relative to the ground? 238m/s, East 238m/s, West 252m/s East 252m/s West
Convert 810 mmHg to kPa. 6.16E5 kPa 760 kPa 1.14 kPa 107.9 kPa
Which one is Newton's second law of motion? The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object. The acceleration of an object as produced by a net force is inversely proportional to the magnitude of the net force, in the same direction as the net force, and directly proportional to the mass of the object. $F=\frac {m}{a}(\frac {m}{s^{2}})$ $F=\frac {a}{m}(N)$
What is the best estimale of the mass of a cupcoke? A 80 pounds 80 grams C 80 tons kiloaroms
Describe how voltage, current and resistance behave in a parallel circuit. Edit View Insert Format Tools Table $\square $
A lead ball has a mass of 55 .0 grams and a density of $11.4g/cm^{3}$ What is the volume of the ball? 4.82 mL 0.207 L 4.82 L 0.207 mL none of the above
Question 3. Three unmarked bar magnets are tested in pairs at their ends. The following observations are made: - Magnet A and Magnet B attract each other. - Magnet A and Magnet C repel each other. - Magnet B and Magnet C repel each other. Which of the following statements can be determined from these results alone? A. Magnets A and B have like poles near each other. B. Magnets A and C have like poles near each other. C. Magnets B and C have unlike poles near each other. D. All three magnets have the same pole at one end.
black holes? Gravity Normal Friction Applied What do we call the center of a black hole? Accretion Disc Event Horizon Singularity Black Point What force of physics causes nebulas to turn into stars, and later stars into 1 point 1 point
How was viscosity measured in the "Viscosity" lab? directly with a spring scale directly with a viscosity meter indirectly by measuring the distance a liquid flowed in a given time indirectly by measuring the volume of honey
You're driving down a highway late one night at $20m/s$ when a deer steps onto the road 35 m in front of you. Your reaction time before stepping on the breaks is 0.50 s, and the maximum deceleration of your car is $10m/s^{2}$ How much distance is between you and the deer when you come to a stop? 10 m Om 5.0 m 35 m 30 m
Match the items. a. Disturbance moves perpendicular to the direction of the wave b. Ocean Wave c. Sound d. Light e. Disturbance moves in the same direction as the wave 1. Surface Wave 2. Mechanical Wave 3. Electromagnetic Wave 4. Longitudinal Wave 5. Transverse Wave
