2. Suppose that 0.020 Nm of work is needed to stretch a spring from its natural length of 20 cm to a length of 40 cm. How much work is needed to stretch the spring from 32 cm to 62 cm? A. 30 Nm B. 0.540 Nm 0.081 Nm

2. Suppose that 0.020 Nm of work is needed to stretch a spring from its natural length of 20 cm to a length of 40 cm. How much work is needed to stretch the spring from 32 cm to 62 cm? A. 30 Nm B. 0.540 Nm 0.081 Nm

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter1: Units And Measurement

Section: Chapter Questions

Problem 62P: (a) Estimate the density of the Moon. (b) Estimate the diameter of the Moon. (c) Given that the Moon...

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Question

My question is attached. It is number 2.

Now
1. Find the derivative of the function f(x) = 10 arcsin(x-9).
04
%3D
10
A. f'(x) =
%3D
V(x-9)2-1
10
B. f(x) =
V(x-9)2 + 1
10
C. f(x) =
1- (x - 9)2
D,r(x) =
10
18x- x2-80
2. Suppose that 0.020 Nm of work is needed to stretch a spring from its natural
length of 20 cm to a length of 40 cm. How much work is needed to stretch the
spring from 32 cm to 62 cm?
A. 30 Nm
B.0.540 Nm
C. 0.081 Nm
62
D.
3.
-2x
Solve the differential equationY T.
y

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