The graph shows how the length of a spring changes when the stretching force is increased 30
25
length of
spring/cm
20
15
show
F = kx
10
5
0
forceIN
In the Hooke's law region, what is the spring constant for this spring?
A 0.20 Niem
B 0.22 N/cm
C 0.28 N/cm
D
0.33 N/cm

Which seasons are the northern and southern hemispheres experiencing in the image? it is summer in both the northern and southern hemispheres. it is summer in the northern hemisphere and winter in the southern hemisphere. it is winter in both the northern and southern hemispheres. it is winter in the northern hemisphere and summer in the southern hemisphere.

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?

How can you measure the amplitude of a longitudinal wave?