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An emf of 10 V is applied to a coil with an inductance of 40 mH and a resistance of 5.0 ? Determine the energy stored in the magnetic field when the current reaches its maximum value.
A series LR circuit includes a 9.0. V battery, a resistance of 0.500 ?, and an inductance of 0.800 H. What is the greatest energy stored by the inductor after the switch is closed?
In the units of kiloton, calculate the kinetic energy of an asteroid that has the size (box-shaped, 13 3 13 3 33 km) and composition (density, 2.4 g/cm3) of our solar system's asteroid Eros.
You immediately reply with the wake up call and an apology that the call is late, calling in your defense that the laws of physics prevented a timely response. a) Explain why it is impossible to ca
A muon is created by a cosmic-ray interaction at an altitude of 60 km. Imagine that after its creation, the muon hurtles downward at a speed of 0.998, as measure by a ground-based observer. After th
If she then hangs a mass of 220 g at 270°, at what angle should she hang a mass of 195 g so that the ring on the force table is in equilibrium? For maximum credit, show your work. Assume the giv
Assume that the total heat of vapourization (540 cal/g) of water is just sufficient to supply the energy needed to tear 1 g of water molecules apart from each other. A) How many molecules are there
The West Antarctic ice sheets (some 0.83 million km2 and only 6% of the total Antarctic ice surface) have an average thickness of 2.1 km,. If this ice were to fall into the sea due to melting becau
A glass window pane has an area of 3.00m^2 and a thickness of 0.600cm. If the temperature difference between its faces is 25.0C, what rate is the rate of energy transfer by conduction through the wi
You have 2 capacitors one with capacitance 10.3uF and the other of unknown capacitance. you connect the two capacitors in series with a difference voltage of 355V applied across the capacitors. You
The flash unit in a camera uses a special circuit to "step up" the 3.0 V from the batteries to 370 V, which charges a capacitor The capacitor is then discharged through a flashlamp. The discharge t
A shotputter throws the shot with an initial speed of 15.0m/s at a 45.0 angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of
As you walk across a synthetic-fiber rug on a cold, dry winter day, you pick up an excess charge of -52 .
The plates of a 3.3 nF parallel-plate capacitor are each 0.27m^2 in area. Part A: How far apart are the plates if there's air between them?
A person fasts for 40 days. During this time, they lose 17 kg of body mass - 13 kg of fat and 4 kg of protein and carbohydrates combined. They have a constant surface area of 1.7 m2, and they sleep
A system has 10^11 binding sites for a protein. Of these sites, 10^5 are originally filled. The system moves to a new arrangement in which 10^4 sites are filled. What is the change in entropy betwe
(a) What is the kinetic energy of the particle as it passes through the origin (0, 0)? (b) At what negative value of y will the particle momentarily stop?
A 250-turn solenoid carries a current of 9.0A. the radius of the solenoid is .075m, and its length is .14m. Determine the magnetic flux through the circular cross-sectional area at the center of the
Charge of 5.00 x 10-9 C and a charge of -4.00 x 10-9 C are separated by a distance of 60.0 cm. Find the position at which a third charge, of 14.0 x 10-9 C, can be placed so that the net electrostatic
An 8.78-kg block slides with an initial speed of 1.62 m/s down a ramp inclined at an angle of 27.1° with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.7
What is the speed of the alpha particle when it is detected in the laboratory? Assume the thorium nucleus remains at rest. Express your answer to two significant figures and include the appropriate
Two long parallel wires are separated by 2.5 mm. The current in one of the wires is twice the other current. If the magnitude of the force on a 2.0-m length of one of the wires is equal to 4.0 &mic
Assume the area of skin on the worker's palm that would contact a flat panel is 1.0×10^?2 m^2 , then calculate the approximate resistance of the skin of the palm.
Assume all temperatures to be exact, and neglect significant figures for small changes in dimension. What volume is occupied by 190g of oxygen under a pressure of 2.00atm and a temperature of 310K ?
A person throws an object upward with an initial velocity of 20 m/s. Assuming that the object has an initial height of 10m and that g= 9.8 m/s^2. Determine the following: 1.) How long will it take t