By equation of motion we have S = ut + 0.5 a
Where u = Initail velocity, S= dispalcement, t = time taken, a = acceleration
Here S = 3500-400 = 3100m, u = 0m/s, g = 9.8 m/
So, 3100 = 0+0.5*9.8*
= 3100/4.9
t =
t = 25.15 seconds
2kg ball
A=f/m
Higher mass is less acceleration
Answer with Explanation:
We are given that
Force=F=112 N
Distance,
Time, t=3.33 minutes
We have to find the work done by Johnson on the bag and the power generated by Johnson.
Work done, W=
Using the formula
Work done, W=
Power, P=
Using 1 minute=60 s
Hence, the power generated by Johnson=33.3 watt
Answer:
Recall that open ocean waves will usually be deep water waves , and their speed will depend on their wavelength (section 10.1). As the waves move away from the storm center, they sort themselves out based on speed, with longer wavelength waves traveling faster than shorter wavelength waves.
Explanation: