PRACTICE TEST Duration: 50
minutes. Closed Book.
FORMULAE AND DATA
ΣF = ma a = v2/R (uniform circular motion) g = 9.8 N/kg
dU
F( x ) = − W = F.d = F d cosθ K = ½ m v2 ∆K = W
dx
∑m x i i ∑m v i i
dp
x cm = i
v cm = i
ΣF = p = mv
∑m i ∑m i
dt
dL
Στ = L = Iω L=rxp I = ∑ m i ri2
dt i
GMm
x = X cos ωt ω = (k / m) 1/2 SHM. F= T2 ∝ r3
r2
R Earth =6.38 × 106 m M Earth = 5.98 × 1024 kg G = 6.67 × 10-11 Nm2kg-2