Related Questions

What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?
A Remains constant
B Becomes zero
C Increases exponentially
D None of the above
Rate of change of angular momentum is equal to
A Force
B Torque
C Linear momentum
D Impulse
The rate of change of moment of momentum represents the __________ by the fluid.
A Torque applied
B Force exerted
C Work done
D Power developed
The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called
A proportionality
B flexibility
C setting
D sensitivity
The ratio of the rate of change of discharge of an outlet to the rate of change in level of water surface in a distributary at its normal depth, is known as
A Efficiency
B Sensitivity
C Flexibility
D Modular limit
(i) What is global warming? How global warming affects the rapid change of climate? (ii) What are the bad impacts of climate change? (iii) How climate change affects the environment of Bangladesh (iv) How global warming can be minimized (v) What should be the role of students to protect the environment.
A (i) Global warming is the main natural reason and using harmful chemicals in everyday life the main reason created by men. The climate is changing rapidly that result in the rise of the earth's average temperature
B (ii) Climate change impacts include floods, cyclones, storm surges and drought, ice sheets melting which will seriously affect the agriculture and livelihood especially at the poor.
C (iii) Bangladesh is one of the largest deltas in the world which is highly vulnerable to Natural Disasters because of its Geographical location, Fiat and low-lying landscape, Population density, Poverty, Illiteracy, Lack of Institutional setup, etc.
D (iv) To reduce the bad impact of climate change people should be aware of. Tree plantation can reduce global warming which is the main natural reason for climate change. Stop using harmful chemicals can reduce environmental pollution which is the main man
E (v) Students should be careful to protect the environment and raise awareness. Thus the students can play a vital role to reduce bad impact of climate changes.
per day wage rate of workers is reduced 50% due to economic slowdown. After one year, the wage rate is increased by 60% . If the per day wage rate before the decrease was Tk. 100, then what is the per day wage rate now?
A 90
B 100
C 60
D 80
per day wage rate of workers is reduced 50% due to economic slow down. After one year ,the wage rate is increased by 60% . If the per day wage rate before the decrease was Tk.. 100, then what is the per da y wage rate Now?
A 90
B 100
C 60
D 80
Per day wage rate of workers is reduced 50% due to economic slowdown. After one year, the wage rate is increased by 60%. If the per day wage rate before the decrease was Tk 100, then what is the per day wage rate now?
A 90
B 100
C 60
D 80
Rate of change of price of common cooking salt and the quantity demanded of such can be best described by the following elasticity state of demand (no change in any possible intervening factor assumed)
A Elasticity less than sumity
B Zero elasticity
C Elasticity greater than unity
D Unit elasticity

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