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The initial temp of the calorimeter is 21.5 degrees celcius. the H2o is initially 98.1 degrees celcius and final temp of both the H2o and calorimeter is 39.2. Calculate the heat capacity in units of
A ball rolls off a table with a horizontal velocity of 5 m/s If it takes 0.6 secs for it to reach the floor, What is the verticle componet of the balls velocity just before it hits the floor
Calculate the specific heat of the metal in J/g if the final temp is 24.2 degrees celscius. The heat capacity of the calorimeter is 651 j/c
Calculate the angular velocity of an electron orbiting a proton in the hydrogen atom, given the radius of the orbit is 0.500x10-10 m
A 5.00 g charged insulating ball hangs on a 27.0 cm long string in a uniform horizontal electric field, mfind the strength of the field
A cancer patient is undergoing radiation therapy in which protons with an energy of 1.2 MeV are incident on a 0.25 Kg tumour. How many protons are absorbed by the tumour
Two balls are released simultaneously from the top of a tall building. Ball A simply dropped with no initial velocity, and Ball B is thrown downward with and initial velocity of 12 m/s. How far has
A charge of - 0.580uC exerts an upward force of magnitude 0.170N on an unknown charge which is a distance of 0.300m directly below it. What is the unknown charge
The drawings show three charges that have the same magnitude but may have different signs. Determine the magnitude of the net force on charge
A ball is thrown vertically upward with a speed of 15.0 m/s. How long does it take to reach its highest point
Elephants can live for between 50 and 70 years and a cow (female elephant) typically gives birth to 3 or 4 calves. What type of survivorship curve applies to them?
How are excess salts that accumulate in cells transferred to the blood stream so they can be removed from the body? Be sure to explain how this process works in terms of tonicity.
1.How does the brain, behavior, and the environment influence sexuality? Provide an example of this influence.
According to the textbook, gender is the social construct that is assigned and learned based on cultural concepts about the nature of sex differences and their place in social life. In your forum r
There are 3 analytical stages and 3 models in the treatment decision-making? How does the issue of autonomy take place in the discussions of treatment decision-making process by patients, physic
Explain what it means for genetic counseling to be understood as "value neutral" and "nondirective"? HOw accurate are these descriptions?
If you took all of the nuclear DNA in your body and lined it up end to end, would it be long enough to reach the moon? If so, how many times would it reach the moon and back? (Assume you have 50
A group of single cell organisms collected from the ocean was brought into the lab for examination. The lab assistant was concerned that the water had become full of toxic waste products and so a
Why would you think twice about ordering from a cafe menu that lists the genus name but not the specific epithet of its offerings? Hint: Look up Homarus americanus, Ursus americanus, Ceanothus am
Where did you see art incorporated into the idea of infection diseases?
Two particles with equal mass have charges of 1.0 microCoulombs and 3.0 nanoCoulombs respectively. What must be their mass if their mutual gravitational attraction is to equal their Coulomb repul
The radius of the moon is 1.74 × 106 m, the radius of the sun is 6.96 × 108 m, the average moon-earth distance is 3.84 × 108 m, and the average sun-earth distance is 1.496 ×
Is it safe to use zero for the initial velocity in equations?
My professor today stated that if a ball was to fall a certain height, then the work done by gravity on the ball would equal the work done by the ball's equal and opposite gravitational pull. By
Calculate the speed of the fetal heart wall at the instant this measurement is made.