Physics Ⅰ, Ⅱ

Thursday, June 20, 2024

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Question

A GUT (grand unified theory) refers to theories that

Answer

A) unify all four forces.

B) unify gravity and the electromagnetic and weak forces.

C) unify gravity and the strong and weak forces.

* D) unify the strong force and the electromagnetic and weak forces.

E) unify the electromagnetic and weak forces.

	Borough of Manhattan Community College
	The City University of New York
	SCIENCE DEPARTMENT
	Laboratory Experiment
	Lab 3: ACCELERATION DUE TO GRAVITY
	USING A SIMPLE PENDULUM
Student Last Name			First Name
Accepted g=	9.8	m/s²
		Measured and Calculated Data
Pendulum Length L (m)	Time t for 15 swings (s)	Period T (s) T=t/15	Period Squared T² (s²)	g =4𝛑²L/T² (m/s²)	%Error
1	2	3	4	5	6
	Measured Data	B13/15	C13^2	4pi()^2A13/D13	abs(g-E13)/g*100
0.30
0.55
0.75
1.00
			g average (m/s²) =		average(E13:E16)
			% Error =		abs(g-E17)/g*100
	Table of Prepared Data for Plotting the Scatter Chart
	Pendulum Length L (m)	Period Squared T² (s²)





Slope (s²/m)		slope(C21:C24,B21:B24)
g = 4𝛑²/Slope (m/s²)		4*pi()^2/B26
% Error		abs(9.8-B27)/9.8*100
Conclusion:
Plot

If the relationship between the physical parameters y and x in some physical process is described by the equation

y = a x + b,

then the theoretical slope of the plot of y versus x is equal to a.