It means you need to put a lot of heat into it to raise its temperature by just one degree.
Wt. = Fg = m*g = 60kg * 9.8N/kg=588 N.=
<span>Wt. of skier. </span>
<span>Fp=588*sin35 = 337 N.=Force parallel to </span>
<span>incline. </span>
<span>Fv = 588*cos35 = 482 N. = Force perpendicular to incline. </span>
<span>Fk = u*Fv = 0.08 * 482 = 38.5 N. = Force </span>
<span>of kinetic friction. </span>
<span>d =h/sinA = 2.5/sin35 = 4.36 m. </span>
<span>Ek + Ep = Ekmax - Fk*d </span>
<span>Ek = Ekmax-Ep-Fk*d </span>
<span>Ek=0.5*60*12^2-588*2.5-38.5*4.36=2682 J. </span>
<span>Ek = 0.5m*V^2 = 2682 J. </span>
<span>30*V^2 = 2682 </span>
<span>V^2 = 89.4 </span>
<span>V = 9.5 m/s = Final velocity.</span>
False.
An incorrect statement.
Nonsense.
A meaningless utterance.
Mass doesn't change.
Gravity has no effect on it.
Answer: D) 35.7km × 1 mile/1.609 km
Explanation:
Given that;
We need to convert 35.7km to miles
And we know that 1.609km makes 1 mile = 1.609km/1mile
To convert it to mile we need to obtain the number of miles per kilometre
= 1/(1.609km/mile)
= 1mile/1.609km
Then we can now multiply the conversion rate by the number.
= 35.7km × 1mile/1.609km
= 22.19 miles
Note that the sign must cancel out to give miles.