Aluminium melt at 658°C and has specific heat of 910j/kg/K and specific latent heat of 393000j/kg. 42900000 of heat is supplied to 50 kg aluminium initially at 25°C. how much of aluminium remains as solid?

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

Name two kinds of practical electric pumps.