can you verify if my answers in the "calculation chart" are correct? (all final answers should include correct significant digit/decimal places/units.)
can you verify if my answers in the "calculation chart" are correct? (all final answers should include correct significant digit/decimal places/units.)
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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can you verify if my answers in the "calculation chart" are correct?
(all final answers should include correct significant digit/decimal places/units.)
Transcribed Image Text:Purpose
The purpose of this lab is to measure the maximum power generated from six students when running up the stairs and discover which student
can generate the maximum power.
Procedure :
1. Measure the mass of each physics student, in kilograms. Set up a suitable table in your notebook and start recording your data.
2. Measure the height of one step. Count the number of steps and multiply by the step height to determine the vertical height the student will
rise, in metres.
3. With the stopwatch, measure the time the student takes to run up the stairs, in seconds, from a standing start.
4. Calculate the force of gravity on each student, using F,=mg. Use this value of force in your work calculation.
5. Calculate the power developed in Watts.
Calculations and Analysis
Observations chart
Physics Student
Student Height
Mass (in kg)
Stair height (in m)
Time (in s)
(in feet and inches)
#1
5'5"
52
4.08
6.3
#2
5'11"
64
4.08
6.1
#3
5'7"
61
4.08
4.0
#4
5'4"
71
4.08
11.1
#5
5'4"
55
4.08
8.1
#6
5'6"
55
4.08
7.0
Calculation Chart Answers:
F, (in N)
F = mg
= (52kg)(9.8m/s)
Name:
Work (in J)
Power (in W)
W = Fd
P = W
At
= 2081 J
#1
= (510 N)(4.08m)
= 509.6 N
= 2080.8 J
= 510 N
= 2081 J
6.3s
= 2.081 x 10³ J
= 330.3174603 W
= 330 W
= 3 x 10? W
W = Fd
= (627 N)(4.08m)
= 2558.16 J
P = W
At
= 2558 J
#2
F = mg
= (64kg)(9.8m/s')
= 627.2 N
= 627 N
= 2558 J
6.1s
= 2.558 x 103j
= 419.3442623 W
= 419 W
= 4.19 x 10? w
W = Fd
P = W
Fg = mg
= (61kg)(9.8m/s²)
#3
= (598 N)(4.08m)
Δt
= 597.8 N
= 2439.84 J
= 2440 I
= 598 N
= 2440 J
4.0s
= 2.44 x 10'
= 610 W
= 6.1 x 10? W
P = W
At
= 2840 J
W = Fd
= (696 N)(4.08m)
# 4
F, = mg
= (71kg)(9.8m/s³)
= 695.8 N
= 2839.68 J
= 696 N
= 2840 J
11.1s
= 2.84 × 10³ J
= 255.8558559 W
= 256 W
= 2.56 x 10? w
P = W
At
=2199 J
W = Fd
= (539 N)(4.08m)
#5
F; = mg
= (55kg)(9.8m/s)
= 539 N
= 2199.12 J
= 2199 J
8.1s
= 2.199 x 103
= 271.4814815 W
= 271 W
= 2.71 x 10?w
P = W
F. = mg
= (55kg)(9.8m/s)
W = Fd
= (539 N)(4.08m)
#6
At
= 539 N
= 2199.12 J
= 2199 J
= 2199 J
7.0s
= 2.199 x 10
= 314.1428571 W
= 314 W
= 3.14 x 10? w
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