The product of √30 and √610 is 10√183.
√30 = √(2×3×5)
and √610 = √(2×5×61
Since 61 can't be factorised further.
Therefore, the value of √30×√610 is
= √(2×3×5×2×5×61)
= 2×5×√(3×61)
=10√183
Answer:
563403.5 J
Explanation:
= mass of the skydiver = 64 kg
= Altitude of the airplane = 0.90 km = 900 m
= speed at the time of landing = 5.8 m/s
Gravitational potential energy of the skydiver at the airplane is given as
Kinetic energy of the skydiver at the time of landing is given as
= Energy dissipated by air resistance
Energy dissipated by air resistance during the jump is given as
Answer:
L = 4.32 m
Explanation:
Here we can use the energy conservation to find the distance that it will move
As per energy conservation we can say that the energy stored in the spring = gravitational potential energy
now we need to solve above equation for length L
Answer:
0.43 s
Explanation:
speed (s) = 95 mi/h = 95 x 1600/3600 = 42.5 m/s (converting to m/s)
distance (d) = 60 ft 6 inches = (60 x 0.3048) + (6 x 0.025) = 18.44 m (converting to meters)
speed = distance / time
time = distance / speed = 18.44 / 42.5 = 0.43 s
power = (voltage) x (current)
17 w = (5 v) x (current)
current = (17 w) / (5 v) = 3.4 Amperes