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1) Was the energy (Q) gained by the water greater than the energy (E) dissipated by the resistor? Explain why it was greater or less.
2) The heating resistor is rated at 10 ? and 1 W. By how much was its power rating exceeded? (Remember, P=V2 /R.) Why didn't the resistor burn up?
3) What are some factors that could account for the percent error between the experimental and accepted values?
4) Is the incoming flux equal to the outgoing flux?
5) Why does the outgoing peak (the second peak) have a greater magnitude than the incoming peak?
6) Why are the peaks in opposite directions?
An airline passenger dangles her watch from a string while the jet takes off. The string makes an angle of 25o with respect to the vertical while the aircraft accelerates for takeoff, which takes about 18 seconds. Determine the takeoff speed of the a..
Energy is produced by the sun by nuclear fusion reactions in which matter is converted into energy. We can gauge that the Sun produces energy at the rate of 3.80×1026 W. How many tons of matter does the Sun lose each second?
A generator connected to an circuit has an rms voltage of 120V and an rms current of 34mA. what is the inductive reactance of the circuit
two positive point charges are a fixed distance apart. the sum of their charges is qt. what charge must each have in
In being served, a tennis ball is accelerated from rest to a speed of 52.0 m/s. The average power generated during the serve is 2920 W. find the force (magnitude only) acting on the ball.
A long wire is known to have a radius greater than 5.2 mm and to carry a current that is uniformly distributed over its cross section, What is the radius (in mm) of the wire
Suppose an electron is accelerated from rest through a difference in potential of V = 4.6 V. Find the speed of the electron after the collision
Describe the difference between an ionic bond and a covalent bond. Give an example of a compound that exhibits ionic bonding. Give an example of a compound that exhibits a covalent bond.
a block of 2.7 kg slides was moving with a speed of 1.0 ms on a frictionless horizontal surface until it encounters a
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 50.7°. Find the dispersion of the slab
how many sprints from rest to a speed of 5.7 ms would a 56-kg woman have to complete to burn off 5.0 x 102 calories?
How does hydrogen bonding affect large molecules like proteins? What shapes do proteins take because of this effect?
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