1.5kg iron horse shoe initially at 600°c,it dropped into a bucket containing 20kg of water at 25°c.what is the final temperature. ( ignore heat capacity of the container )and assumed that a negligible amount of water boils always .(SHC of water 4186jkg°c,SHC of iron is 448jkg°c
a graph depicts force versus position. what represents the work done by the force over the given displacement?
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5m/s/s. Determine the mass of the encyclopedia
if you change a single base in a codon then 1.the codon could code for nucleic acids instead of amino acids 2.the codon could code for a different amino acid 3.the dna strand containing the codon could fall apart 4.the codon could automatically repair itself
A person walks up a stalled escalator in 25 s. When standing on the same escalator, now moving, she is carried up in 16 s. How much time in seconds would it take her to walk up the moving escalator?
An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the moon?
a brass spring weighs .83 Newtons while it is suspended in the air. next you immerse the ring in a container of light corn syrup. the ring appears to weigh .71 Newtons. what is the buoyant force acting on in the ring of light corn syrup?