Answer:
Explanation:
Given
mass 

(inclination)=

Let T be the tension in the rope
From Diagram
-----------------1
where 

For block 
-----------2
From 1 & 2




Answer: 1500metres
Explanation: the formula for distance is speed × time which equals 150m/min × 10 min = 1500m
This formula can be rearranged...
Speed = Distance ÷ time.
Time= Distance ÷ speed.
Distance= Time × speed.
Answer:
Power = Current × Voltage
Explanation:
Units:
Power = Watts
Current = Àmperes
Voltage = Volts
Answer it is b is the best option to pick A, does that make sense
Speed=frequency*wavelength, so frequency=speed/wavelength. frequency=80*0.2
Frequency = 16 Hz