Physics question and answers for October 07, 2023
- Q Friends Mercedes and Kaandra are working out together at the 400m track. Kaandra can do the 1600 m in a blazing 5 minutes and 30seconds. Mercedes is signiï¬cantly slower doing...
- Q An insulated tank is divided into two parts by a partition asshown in the figure. One part of the tank contains 2.5 kg ofcompressed liquid water at 60°C and 600...
- Q In a student experiment, a constant-volume gas thermometer iscalibrated in liquid nitrogen (−196°C) and in boiling pentane(36.1°C). The separate pressures are 0.347 atm and 1.436 atm.Hint: Use the linear relationship...
- Q 9) Consider a 4.00 C charge. What is the magnitude of theelectric field it creates 2.56 m directly up from it?10) Which direction is this electric field pointed? Select one:Right,...
- Q A 1450 kg car begins sliding down a 12.0 ° inclined road with aspeed of 34.0 km/h.The engine is turned off, and the only forcesacting on the car are a...
- Q Consult Interactive Solution 21.51 to see how this problem canbe solved. A coil rotating perpendicularly to a uniform magneticfield contains 340 turns and has an area per turn of 3.0...
- Q Consider three point charges q1=q2=q3=Q. If q1 and q2 arelocated on the Y-axis at y=+a and y= -a and the third charge islocated at a point x on the X-axis....
- Q The magnetic field 38.0 cm away from a long, straight wirecarrying current 4.00 A is 2110 nT.(a) At what distance is it 211 nT?380 cm(b) At one instant, the two...
- Q Derive the general wavefunction for a particle in a box (i.e.the infinite square wellpotential). Go on to normalise it. What energy/energies must theparticle have toexist in this box?
- Q In a location in outer space far from all other objects, anucleus whose mass is 4.019480 × 10−25 kg and that is initially atrest undergoes spontaneous alpha decay. The original...
- Q Calculate (in MeV) the binding energy per nucleon for 14N.Calculate (in MeV) the binding energy per nucleon for 56Fe.Calculate (in MeV) the binding energy per nucleon for 207Pb.
- Q A resistor of resistance R and a capacitor of capacitance C areconnected in series to an EMF of voltage E. A switch is set to theopen position and the capacitor...
- Q A merry-go-round rotates from rest with an angular accelerationof 1.11 rad/s2. How long does it take to rotate through (a) thefirst 1.85 rev and (b) the next 1.85 rev?Please include...
- Q A helicopter lifts a 75.0 kg astronaut 14.2 m vertically fromthe ocean by means of a cable. The acceleration of the astronaut isg/10.A) How much work is done on the...
- Q 5.) A ballistic pendulum consists of a 10 gram projectilestriking and sticking to a 1.5 kg mass. Both objects then rise 2.5cms. A.) Calculate the velocity of the pendulum and...
- Q Question 1 (1 point)We have two very long wires, which are parallel to each otherpointing to the right in front of us. The pair of wire ishorizontal. The wire closest...
- Q Question 1 (1 point)We have two very long wires, which are parallel to each otherpointing to the right in front of us. The pair of wire ishorizontal. The wire closest...
- Q In the figure, a parallel-plate capacitor is being discharged bya current ? = 5.0 ?. The plates are square with edge length? = 8.0 ??.(a) What is the displacement current...
- Q Problem 1a: Velocity Selector: Show that with the right ratio ofelectric to magnetic field strength a particle of velocity v willproceed through both fields in a straight line at constant...
- Q A circular ring of radius R with a total charge 2Q uniformlydistributed along its circumference lies in the x y plane with itscenter at the origin.(a) Find the electric field...
- Q A flea is able to jump straight up about 0.52 m. It has beensaid that if a flea were as big as a human, it would be able tojump over...
- Q A pendulum consists of a 3.0 kg stone swinging on a 4.4 m stringof negligible mass. The stone has a speed of 8.1 m/s when it passesits lowest point. (a)...
- Q How does hockey equipment (helmets, neck guard, mouth guard,padding & skates) for injury prevention relate to clinicalbiomechanics?
- Q A father racing his son has half the kinetic energy of the son, who has two-fifthsthe mass of the father. The father speeds up by 3.0m/s and then has the...
- Q While getting ready for work one morning I encountered somethingI can't figure out.I wear glasses and without them objects are blurry unless I getvery close, within a few inches. I...
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