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(i) When resistors are connected in series, which of the following would be the same for each resistor: potential difference, current, power?
(ii) Determine the direction of the magnetic force on the charged particle as it enters the magnetic fields, as shown in Figure below
a certain simple pendulum has a period on earth of 1.60 s. what is its period on the surface of mars where the
In special conditions, it is possible to measure the energy of a gamma-ray photon to 1 part in 10^15. For a photon energy of of 50 keV, estimate the maximum lifetime that could be determined by a direct measurement of the spread of the photon energy.
what is the relative fraction of h atoms that are ionized in stars with surface t5800k and 11300k the atmospheres
How much time will a batter have to decide to swing at a 90 mph pitch released 56 ft from the plate if it takes him 0.3 seconds to actually swing the bat?
a mine car mass 474 kg rolls at a speed of 0.368 ms on a horizontal track as the drawing shows. a 103-kg chunk of coal
A car crashes into a wall at 25 m/s and is brought to rest in 0.1s. Calculate the average force exerted on a 75-kg test dummy by the air bags
A superball of mass 60g is dropped from a height of 2m . Itrebounds to a height of 1.80m. WHat is the change in its linear momentum
What is the minimum coefficient of static friction between the ladder and the ground so that the ladder does not slip?
A rocket-powered hockey puck has a thrust of 1.5 N and a total mass of 1.0 kg. How far does the puck land from the base of the table
The magnetic field in the air gap between the magnetic poles and the armature of an electric generator has a flux density of 0.7T. The length of the wires on the armature is 0.5m. How fast must these wires move to generate a maximum EMF of 1.00V in e..
Consider a very high energy cosmic ray photon, with energy 109mp = 1018 eV as measured in Sun's rest frame, scattering off a cosmic microwave background photon with energy 2 x 10-4 eV . Establish the maximum energy of the scattered photon.
a string fixed at both ends is 8.40 m long and has a mass of 0.120 kg. it is subjected to a tension of 96.0 n and set
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