Question

An athlete runs a circular path of radius 35 m in one minute and reaches the start

point. Calculate : a) distance travelled by the athlete

b) displacement

c) speed with which athlete is running​

Answer 1

Answer:

) displacement

c) speed with which athlete is running

Step-by-step explanation:

Answer 2

Answer:

• The Distance travelled by the athlete = 220m
• The Displacement = 0
• Speed with which athlete is running = 11 m / 3 sec or 3.66 m/s

Step-by-step explanation:

Given,

• Radius of Circular path = 35m
• Time taken by Athlete = 1 minute

To Find,

• The Distance travelled by the athlete.
• The Displacement.
• Speed with which athlete is running.

Solution,

The Distance travelled by the athlete = Circumference of Circular path

→ The Distance travelled by the athlete= 2 × π × r

→ The Distance travelled by the athlete = 2 × 22/7 × 35m

→ The Distance travelled by the athlete = 220m

The Displacement = Distance between the starting point and ending point

[As the starting point and ending point is same]

→ The Displacement = 0

Time taken by Athlete = 1 minute

[1 minute = 60 seconds]

→ Time taken by Athlete = 60 seconds

Speed with which athlete is running = The Distance travelled by the athlete / Time taken by Athlete

→ Speed with which athlete is running = 220 m / 60 sec

→ Speed with which athlete is running = 11 m / 3 sec or 3.66 m/s

Required Answer,

• The Distance travelled by the athlete = 220m
• The Displacement = 0
• Speed with which athlete is running = 11 m / 3 sec or 3.66 m/s