F = 750 N (Force)
d = 10 m (displacement
)
t = 25 s (time)
L = ? (Mechanical work
) = (Energy)
P = ? (Power)
Solve:
L = F × d = 750 × 10 = 7500 Joules
P = L / t = 7500 / 25 = 300 Watts
Answer:
effeciency n = = 49%
Explanation:
given data:
mass of aircraft 3250 kg
power P = 1500 hp = 1118549.81 watt
time = 12.5 min
h = 10 km = 10,000 m
v =85 km/h = 236.11 m/s
kinetic energy
kinetic energy
gravitational energy
total energy
effeciency n = = 49%
Explanation:
Not all elements is viable to form a chemical coumpound, so the 18, is not part of it
22N=weight of apples
gravity=9.81ms^-2 or 9.81N/kg
Weight of apples = mass of apples * gravity
22N=mass of apples * 9.81N/kg
therefore, mass of apples= 22 N / ( 9.81N/kg)
mass of apples = 2.243 kg