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A streched spring store an energy of 25j when it is extended by 6.7 ×10-²m. Calculate its force constant
1. 1 answer
2. 168 views
In a cyclotron (one type of particle accelerator), a deuteron (of atomic mass 2.00 u) reaches a final speed of 12.0% of the
1. 0 answers
2. 619 views
Calculate the force required to pull a copper ball of radius 2.00 cm upward through a fluid at the constant speed 9.00 cm/s.
1. 1 answer
2. 620 views
The mass of a sports car is 1100 kg. The shape of the car is such that the aerodynamic drag coefficient is 0.240 and the frontal
1. 0 answers
2. 805 views
A car starts from rest and travels for 5.0s with a uniform acceleration of +1.5 m/s^2. The driver then applies the brakes,
1. 2 answers
2. 1,707 views

100000
the Answer would that it is exothermic and the temperature of the reaction system would rise
I don't understand
If a collegue is willing to assist, in a form of formal letter how do you respond?
Why Should children be seen not heard?

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