Answer:
95.21
Explanation:
Magnesium has a molar mass of 24.31 and CHlorina has a molar mass of 35.45. Since there are 2 Cl you add 35.45 to 35.45= 70.9. Then add the 24.31 for Magnesium. 70.9 + 24.31= 95.21.
Answer:
mixture of all colors of ligjt
Answer: magnitude= 2 m/s/s
Explanation: I goes up 2 every second
Answer:
Explanation:
Spilling the force of 60N on the rope at an angle θ in x-y direction:
fx = Fcosθ = 60cosθ
fy = Fsinθ = 60sinθ
cosθ and sinθ both vary from 0 to 1 between 0° to 90° but they go in opposite direction:
cos0° = 1 and cos90° = 0
sin0° = 0 and sin90° = 1
sin45° = cos45° = 0.7071
When θ increases from 0° to 90°,
θ=0°, fx = 60cos0° = 60N, fy = 60sin0° = 0N
θ=90°, fx = 60cos90° = 0N, fy = 60sin90° = 60N
θ=45°, fx = 60cos45° = fy = 60sin45° = 42.43N
Answer:
400 J
Explanation:
The efficiency of a machine is defined as
where
is the work output
is the work input
For this machine, we know the following
is the work in input
is the efficiency
Solving for the work output, we find