Which of these contains only fundamental SIquantities?2.A. time, temperature, velocityB. temperature, length, powerC. length, time, massD. length, time, force

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College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter1: Introduction: The Nature Of Science And Physics

Section: Chapter Questions

Problem 24PE: A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12 s. There is an uncertainty of...

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A large chunk of metal has a mass of 393 kg, and its volume is measured to be 0.05 m3. (a) Find the metal's mass density and weight density in SI units, (b) what kind of metal is it?
A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12 s. There is an uncertainty of 25 m in the distance traveled and an uncertainty of 1 s in the elapsed time. (a) Calculate the percent uncertainty in the distance. (b) Calculate the uncertainty in the elapsed time. (c) What is the average speed in meters per second? (d) What is the uncertainty in the average speed?
1. Put each of the following numbers into scientific notation. a. 0.00000584 # of s. d? b. 245 000 000 # of s. d? c. 0.0000705 # of s. d?
True or false 1. The unit-factor method is used as a validity tool in deriving equations. 2. Kinetic energy is dependent on the mass and velocity of an object. 3. Acceleration is speed with direction. 4. Physical change in matter alters its appearance and identity. 5. Height is the greatest measurement of a 3D object.
3. Absolute, fractional, and percentage uncertainties a. What is the absolute uncertainty for the following measurements? 5.8 cm, 5.6 cm, 5.7 cm, 5.4 cm, 5.4 cm, 5.6 cm b. Determine the fractional uncertainty in part a. c. Determine the percentage uncertainty in part a.
The first length measured in a laboratory experiment is 2.5 ± 0.1 m and the second length is 3.4 ± 0.1 m.a. What is the sum of the lengths?b. What is the difference in the lengths?c. What is the percentage uncertainty in each a and b?
I. Write True' if the statement is correct and 'False' if the statement is incorrect. 1. The volume of á body is the space occupied by a body. 2.Velocity is speed with specific direction. 3.One cubic meter tanker contains one thousand litters of liquids. 4.Measurement is the act of finding the truth value of a given quantity. 5.Relatively, everybody is in motion. 6.Velocity and displacement is path independent. natives.
e2f_h. g= 4 e =7.83±0.04 f =0.204±0.007. h=14.14+0.05 and i=3.99±0.03- Given the equation where What is the absolute uncertainty in g? Select one: 1.35+0.02 a. O b. 1.4±0.1 Oc. 1.4+0.2 O d. 1.35±0.01
True or false 1. The unit-factor method is used as a validity tool in deriving equations. 2. Kinetic energy is dependent on the mass and velocity of an object. 3. Acceleration is speed with direction. 4. Physical change in matter alters its appearance and identity. 5. Height is the greatest measurement of a 3D object. 6. The acceleration of an object is dependent on the net force acting on an object. 7. The English system of measurement is based on the power of ten. 8. All objects fall at the same time. 9. Temperature is the flow of energy from a hot area to a cold area. 10. The position of the object increases potential energy.
3. What is Δx in the derived equation?4. Is it always positive in eq 2.1?
1%A9 li. t LTET 4G+ Vol) O A X O U 9:-7 Second H.W.pdf 1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- Az = 3 ,A, = -2 b- B, = -2 ,B, = 2 2. What is the speed of horse in meter per second that runs a distance of 1.2 miles in 2.4 minutes? 3. A car moving along X- axis according on the function: X (t) = 2 t2 + 5t +7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s. 4. Julie is walking around a track at a 2m/s for some exercise. She then decides to start jogging so she accelerates at a rate of 0.5m/s? for 3 seconds. How far did Julie travel from the time she started to accelerate to the end of the 3 seconds? 5. Ralph uses a 2000 to do this. force to push his car along a road for 1000 m. It takes him500 s a- Calculate the amount of work that Ralph did on the car. b- Calculate the amount of power that he generated. II
1. What is the derived unit from the SI base units for the relationship of each pair of quantities?a. Mass and volumed. Distance and timec. Force

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Which of these contains only fundamental SI quantities? A. time, temperature, velocity B. temperature, length, power C. length, time, mass D. length, time, force