2. A body of mass 150kg is placed in a lift. Find the reaction between the floor of the lift and the body when the lift moves upward:
(i) at constant velocity,
(ii) with an acceleration of 6 m/s?​

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

resonant frequency

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2