[" 36km/hr iastopped within "5m" ."],[" 15.If riction coefficient between an athelete's shoes and "],[" "the ground is "0.90" .Suppose a superman wears these "],[" shoes and races for "50m" .There is no upper limit on his "],[" capacity of running at high speeds.(a) Find the "],[" minimum time that he will have to take in completing "],[" the "50m" starting from rest.(b) Suppose he takes exactly "],[" this minimum time to complete the "50m" ,what "],[" s thinum time will he take to stop? "]

The friction coefficient bettween an athelete's shoes and the ground is 0.90. Suppose a superman wears these shoes and races for 50 m. There is no upper limit in his capacity of running at high speeds. A. Find the minimum time that he will have to take in completing the 50 m starting from rest. b. Suppose he takes exactly this minimum time to complete the 50 m, what minimum time will he take to stop?

The friction coefficient bettween an athelete's shoes and the ground is 0.90. Suppose a superman wears these shoes and races for 50 m. There is no upper limit in his capacity of running at high speeds. A. Find the minimum time that he will have to take in completing the 50 m starting from rest. b. Suppose he takes exactly this minimum time to complete the 50 m, what minimum time will he take to stop?

The friction coefficient bettween an athelete's shoes nd the ground is 0.90. Supose a superman wears these shoes and rces for 50 m. There is no upper limit n his capacity of running at high speeds. A. Find the minimum time tht he will have to take in completing the 50 m starting from rest. b. Suppose he takes exactly this minimum time to complete the 50 m, what minimum time will he take to stop?

How much time a train will take to cross 90m if it is running at a speed of 54 km/hr

An athelete runs 400meters race in 24 seconds. His speed (in km/hr) is

A person wants to travel a distance of 50 km by his bicycle. He travels with a speed of 12.5 km/hr. After every 12.5 km, he takes a rest of 20 minutes. How much time will he take to complete the whole distance?

A stone of mass 5kg falls from the top of a cliff 50m high and buries 1m deep in sand . Find the average resistance offered by the sand and the time it takes to penetrate .

A 50 kg man is standing at the centre of a 30 kg platform A. Length of the platform is 10 m and coefficient of friction between the platform and the horizontal ground is 0.2. Man is holding one end of a light rope which is connected to a 50 kg box B. The coefficient of friction between the box and the ground is 0.5. The man pulls the rope so as to slowly move the box and ensuring that he himself does not move relative to the ground. If the shoes of the man does not slip on the platform, calculate how much time it will take for the man to fall off the platform. Assume that rope remains horizontal, and coefficient of friction between shoes and the platform is 0.6.