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An ammeter with an internal resistance of 53.0 ? measures a current of 5.75 mA in a circuit containing a battery and a total resistance of 1290 ?. The insertion of the ammeter alters the resistance of the circuit, and thus the measurement does not give the actual value of the current in the circuit without the ammeter. Determine the actual value of the current.
A proton has a kinetic energy of 8.5 MeV. If its momentum is measured with an uncertainty of 4.0%, what is the minimum uncertainty in its position
A 10.0 kg shell is fired vertically upward. At its max height of 500.0 m, it explodes into 3 pieces. Where does the third piece land
A light beam strikes a piece of glass at a 50.00 degree incident angle. The beam contains two wavelengths, 450.0 nm and 700.0 nm, What is the angle between the two refracted beams
A 1300 {rm N} crate slides 13 {rm m} down a ramp that makes the angle of 30^circ with the horizontal. If the crate slides at a constant speed, how much thermal energy is created.
A 148 gram baseball is hit toward the left by a bat. The magnitude of the force the bat exerts on the ball as a function of time, Find the magnitude of the impulse that the bat imparts to the ball
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 58.0?. Dog A exerts a force of 260N , and dog B exerts a force of 320N
At an altitude of 260 m above the Earth's surface, the field is only 105 N/C. Calculate the charge density of the air (assumed constant).
Analysis of Physics, Two pistons push down on the fluid filling two cylinders connected by a narrow hose, as shown in the figure. The area A1 is 1 square inch, and the area A2 is 10 square inches
A reversible isochore from an equilibrium state at P1= 1 bar, t1=100C to an equilibrium state at t2=300C followed by a adiabatic isentropic expansion to P3=1 bar, Find the thermal efficiency of the cycle
The earth is 1.49*10^11 meters from the sun. If the solar radiation at the top of the earths atmosphere is 1340 W/m^2, what is the total power output of the sun
A 3.4 kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 2.2 m/s2, find the force exerted by the rope on the bucket
The radius of our galaxy is 3 *10^20m, How much time would elapse on earth during the traversal
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