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When a car's starter is in use, it draws a large current. The car'slights draw much less current. As a certain car is starting, thecurrent through the battery is 61.8 A and the potential difference across the battery terminals is8.91 V. When only the car's lights areused, the current through the battery is 1.84 A and the terminal potential difference is13.0 V.
Find the battery's emf.?
Find the internal resistance.
A stone thrown horizontally from a height of 5.87 m hits the ground at a distance of 13.90 m. Calculate the initial speed of the stone
A 61 kg skater and a 77 kg skater stand at rest on frictionless ice. They push off, and the 61 kg skater moves at 1.9 m/s in the + x-direction. What's the other's velocity? (Express your answer to two significant figures and include the appropriate u..
An electron and a positron have masses of 9.11 10-31 kg. They collide and both vanish, with only electromagnetic radiation appearing after the collision. determine the energy of the electromagnetic radiation
Probelm 4-93 in Engineering Mechanics 13th. If F={100k} N, determine the couple moment that acts on the assembly. Express the result as a cartesian vector. Member BA lies in the xy-plane. Picture not shown, how do I post the picture? And I do not und..
A gas expands from I to F. The energy added to the gas by heat is 423 J when the gas goes from I to F along the diagonal path.
A solenoid is made by wrapping a wire so that it makes a solenoid (coil) having 500 turns of diameter 8.00 cm and length 40.0 cm. Find the inductance of this solenoid
Copper wire (resistivity 1.7x10-8 italic capital omega space straight m , circular cross section with radius 2.34 mm) is used to form 2 thousand circular loops of wire in a solenoid
A 2.00 kg steel gas can holds 10.0 L of gasoline when full. What is the average density of the full gas can
A gymnast with mass m1 = 49 kg is on the balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 126 kg and length L = 5 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left en..
A 2.00-m tall basketball player is standing on the floor 10.0 m from the basket. If he shoots the ball at a 30 degree angle from the horizontal, at what initial speed must he throw the ball so that it goes through the basket without striking the back..
If a 93.0-V emf is connected to the terminals A and B and the current in the 4.0-? resistor is 16.8 A, what is the value of the unknown resistor R
A viewing window on the side of a large tank at a publicaquarium measures 50 in. by 60 in. What is the total outward force on the window
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