Jan 4, 2016 · I found 571.7J With respect to the ground it will be equal to: U=mgh Where: m=35kg is the mass; g=9.8m/s^2 is the acceleration of gravity; h=5/3m is the height with respect to ground (considered at zero potential energy). So: U=35*9.8*5/3=571.7J

Mar 12, 2017 · We can use the general expression for the work done against gravity: W=mgh In both cases: 1) W_1=70*2*9.8=1,372J 2) W_2=35*4*9.8=1,372J Physics Science

Feb 20, 2018 · 2"kg m"/"s" of momentum is lost. We have to find Deltap, where p is the linear momentum. The formula for momentum is p=mv, where m is the mass of the body and v its velocity. We have p_1 and p_2. Deltap=p_2-p_1. The …

Jan 29, 2017 · A 0.115-kg hockey puck, moving at 35.0 m/s, strikes a 0.265-kg octopus thrown onto the ice by a hockey fan. The puck and octopus slide off toget

Dec 7, 2016 · 49.8 grams of KI is dissolved in 1.00 kg of solvent. What is the molality? 58.44 grams of NaCl and you dissolved it in exactly 2.00 kg of pure water (the solvent).

May 26, 2016 · The de Broglie wavelength (#λ#) is given by#color(blue)(|bar(ul(color(white)(a/a) λ = h/(mv)color(white)(a/a)|)))" "#

Apr 15, 2018 · 960.4 J The formula of Kinetic energy is 1/2mv^2 where m is mass and v is velocity. This simply means that a mass m moving with a velocity v has kinetic energy 1/2mv^2. We know mass, so lets find velocity. It is given that it has been falling for two seconds. So its velocity = a times t .In this case the acceleration is caused due to gravity and hence …

Nov 3, 2016 · Each mole of carbon gives 44*g of carbon dioxide gas upon oxidation. C(s) + O_2(g) rarr CO_2(g). The 1:1 stoichiometry is clear: moles of carbon, and dioxygen gas are equivalent to the moles of carbon dioxide gas generated. We start with (28.2*g)/(12.01*g*mol)=2.35*mol C, and thus 2.35*molxx44.01*g*mol^-1 CO_2(g) are evolved. …

Jan 9, 2017 · Use this formula: c = Q/(m × ΔT) The specific heat formula is: c = Q/(m × ΔT) Where: c: specific heat, in J/(kg.K) Q: heat required for the temperature change, in J ΔT: temperature change, in K m: mass of the object, in kg This may be difficult with ice due to its changing mass if temperature changes to above 0^o C. Here's an example problem and how …

May 15, 2018 · Increase the average force or increase the contact time. Answer link. Related questions