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Q1. How would your results be affected if some water originally in the calorimeter cup is splashed out throughout sample transfer? How will water condensation on the outside of the inner cup affect your results?
Q2. Two point charges Q1=+5.00 nC and Q2= -3.00 nC are separated by 35.0cm. (a) What is the electric potential at a point midway between the charges? (b) What is the potential energy of the pair of charges? What is the significance of the algebraic sign of the answer?
He would like a prescription for contact lenses to serve the same purpose. What is the exact contact lens prescription, in diopters.
Calculate the dc voltage applied to the circuit.
Suppose a chimpanzee swings through the jungle on vines. If it swings from a tree on a 13 m long vine that starts at an angle of 45 degrees, what is the chimp's velocity when it reaches the ground.
What is the block's distance from equilibrium as the speed are 36 cm/s? What is block's position at t=1.0 s.
What magnitude of charge must be given to the drop
When a potential difference of 166 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of 32.0 nC/cm2. What is the spacing between plates.
The K-shell ionization energy of copper is 8979 eV. The L-shell ionization energy is 951 eV. Determine the wavelength of the Kα emission line of copper. What should be the minimum voltage be on an x-ray tube with a copper target in order to see the K..
Find the distance from the positive plate
A parachutist and her parachuting equipment have the combined mass of 121 kg. Her terminal velocity is 5.30 m/s with the parachute open. Her parachute has a cross-sectional area of 35.80 m^2. The density of air at that altitude is 1.23kg/m^3. What is..
A child goes down a playground slide with an acceleration of 1.22. Find out the coefficient of kinetic friction between child and slide if the slide is inclined at an angle of 31.0 below the horizontal.
An airplane starting from airport A flies 280 km east, then 365 km at 29.0° west of north, and then 130 km north to arrive finally at airport B.
A diver 40 m deep in 10 degree Celcius fresh water exhales a 0.50-cm-diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 degrees Celcius? Assume that the air bubble is always in..
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