Answer:
d.
Explanation:
all because the projector is a lens and the magnifying also the microscope
C
15. 20
x4. x4
60. 80
80km/h
The greater the amplitude the greater the energy.
(Think of a water wave - which carries greater energy a 1 ft wave or
a 10 ft wave)
tgggggg
8.5 kg
F = ma
34 N = m(4.0m/s^2)
m = 8.5 kg