Home
Class 12
PHYSICS
An athlletic coach told his team that mu...

An athlletic coach told his team that muscle times speed equals power. What dimesions does he view for muscle?

A

`MLT^(2)`

B

`ML^(2)T^(2)`

C

`MLT^(-2)`

D

L

Text Solution

Verified by Experts

The correct Answer is:
C

Power = force `xx` velocity Muscle represents force
Muscle = `(MLT^(2))`
Promotional Banner

Similar Questions

Explore conceptually related problems

If 'muscle times speed equals power', then what is the ratio of the SI unit and the CGS unit of muscle?

A cheetah, on seeing a prey, moves towards him at a very high speed. What causes the movement of his muscles ? How does the chemistry of cellular components of muscle change during this event ?

Ravi walks at a uniform speed of 4 km per hour . How much time does he take to cover 600 metres ?

A boy standing on a stationary lift (open from above) throws a ball upwards with the maximum initial speed he can, equal to 49 ms^(-1) . How much time does the ball take to return to his hands? If the lift starts moving up with a uniform speed of 5 ms^(-1) and the boy again throws the ball up with the maximum speed he can, how long does the ball take to return to his hands?

A person can see clearly only upto a distance of 25 cm . He wants to read a book placed at a distance of 50cm . What kind of lens does he require for his spectacles and what must be its power ?

A man is coming down an incline of angle 30^@ . When he walks with speed 2(sqrt(3)) m s^-1 he has to keep his umbrella vertical to protect himself from rain. The actual speed of rain is 5 ms^-1 . At angle with vertical should he keep his umbrella when he is at rest so that he does not getb drenched ? .

A tradesman marks his goods at 35 percent above the cost price and then allows purchasers a discount of 15 percent. What profit percent does he save ?

A certain homeowner uses a gas edger to clean up his lawn every time he mows. If the edger uses 160 milliliters of fuel each time, what is the maximum number of times the homeowner can edge his lawn with 8 litres of fuel?( 1 liter = 1,000 milliliters)

A 90-kg man runs up an escalator while it is not in operation in 10s . What is the average power developed by the man. Suppose the escalator is running so that the escalator steps move at a speed of 0.5m^-1 . What is then the power developed by the man as seen by the ground reference if he moves at the same speed relative to the escalator steps as he did when the escalator is not in operation?

A foot ball is kicked of with an inirial speed of 19.6 m/sec at a projection angle 45^(@) . A receiver on the goal line 67.4 m away in the direction of the kick starts running to meet the ball at that in stant. What must his speed be if he is to catch the ball before it hits the ground?