Speed of man towards West =2.5 m/s
Time to travel in the given direction = 1200 s
Total displacement towards west
Now speed of man towards East = 1 m/s
time to travel in east direction = 500 s
total displacement towards East
Now total displacement will be
so it is 2500 m towards west
Answer:
The correct answer would be A
Jogging
weight room
cancer run
cancer walks
teaching how to cook healthy meals
Answer:
735 J
Explanation:
Total height reached(displaced)=10x15 cm
= 10 x 15/100 m
= 1.5 m
Workdone = F.S (force x displacement)
Here, the boy is traveling against the gravitation force(=mg) , and traveled a height of 1.5m
Hence,
Workdone = 50 x 9.8 x 1.5 J
= 735 J
Answer:
The height of the bridge is 14.5
Explanation:
Given the following data
t = 2.9 seconds
g = +10m/s^2
Using the below formula
H = ut + 1/2gt^2
Since the initial velocity u = 0
Then, H = 1/2gt^2
H = 1/2 x 2.9 x 10
H = 2.9 x 10 / 2
H = 2.9 x 5
H = 14.5
