2016年8月13日 · How much force is needed to accelerate a #66# #kg# skier at #2# #m##/s^2#? Physics. 1 Answer

2016年5月29日 · In your case, gold is said to have an enthalpy of fusion equal to #"67 kJ kg"^(-1)#. This tells you that in order to melt #"1 kg"# of gold, i.e. go from solid gold at its melting to …

2018年1月23日 · How to calculate the anhydrous ammonia, from Kg to normal cubic metre in the gas state?

2017年3月12日 · A = F/m = 30.44/65.0 = 0.468 ms^{-2} That is the correct answer in physics. So much the worse for whoever wrote the question is not the answer they have set! The initial …

2016年11月16日 · "6.48 kJ" The molar heat of vaporization, DeltaH_"vap", sometimes called the molar enthalpy of vaporization, tells you how much energy is needed in order to boil 1 mole of …

2016年9月2日 · 9466 views around the world You can reuse this answer ...

2017年4月2日 · Newton's law of gravitation states that the gravitational force between two objects is given by F=G(m_1m_2)/r^2, where G is the gravitational constant (~~6.67*10^-11 …

2017年1月28日 · This will require 266.9 kJ of heat energy. To calculate the energy required to raise the temperature of any given substance, here's what you require: The mass of the …

2016年2月3日 · I found 560W Power is the rate at which work is delivered with time. In this case, the work done by the person will be done against gravity (represented here by the weight of …

2015年4月11日 · To calculate the de Broglie wavelength for a particle, or for a tennis ball for that matter, just use the equation p = h/(lamda), where p - the momentum of the atom; h - Planck's …