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A 26 g ball is thrown horizontally toward the block with a speed of 5.1m/s If the collision is perfectly elastic, what is the ball's speed immediately after the collision? What is the maximum compre
A 194-kg satellite is in circular orbit around the Earth and moving at a speed of 5.14 km/s. How much work must be done to move the satellite into another circular orbit that is twice as high above
A 220 km long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1020 A. If the conductor is copper with a free charge density of 9.0 multiplied by 1028 electrons per cubi
During a snow ball fight two balls with mass of .40kg and .60kg are thrown in such a matter that they meet head on and combine to form a single mass.The magnitude of initial velocity of each ball is
Temperature measurements of the absorber show that the bullet lost 2000J of kinetic energy, and high-speed photos of the bullet show that it was moving at 935 m/s just as it struck the absorber. Wha
A solenoid of length 6.3 cm and diameter 0.77 cm is wound with 178 turns per cm. The current is decreasing at a rate of 37.8 A/s. (a) What is the induced emf in one of the windings? (b) What is the
If the spheres are initially at rest and just touching, how much energy is required to separate them to 1.02 m apart? Assume that the only force acting on each mass is the gravitational force due to
What is the magnitude of the torque exerted by the magnetic field on the loop?
They are initially held by catches at positions a distance 4.80×10-2 on each side from the center of the rod, and the system is rotating at an angular velocity 28.0.
A 10% Atmospheric Dump Valve (ADV) at a PWR relieves steam at 1100 psia when the enthalpy required to make a pound of steam is 632 Btu/lbm. What is the flow rate through the valve if the core power
The bright yellow sodium line in the sodium spectrum is actually a pair of closely spaced lines at 589.0nm and 589.6 nm. You observe the sodium spectrum using a diffraction grating with a spacing o
A 2.4 mW laser beam has its electric field vertical. If it passes through a polarizer with its transmission axis at 30 degrees to the vertical, what's the power of the transmitted beam? Express your
An A.C. generator which produces an RMS voltage of 120 V at 60 Hz is connected to a 57 µF capacitor. There are no other elements in the circuit. How is the phase of the current through the cap
If a solid cylinder has a mass of 15.0 kg, radius of 1.50m and is rolling with out slipping on rough surface, what is the total kinetic energy of the cylider when the center of gravity has a speed o
Assuming that the whole system is constrained to move in just the one vertical plane, find the normal frequencies and normal modes of small oscillations. Describe and explain the normal modes.
In an RC series circuit, = 16.0 V, R = 1.60 M, and C = 1.80 µF. (a) Calculate the time constant. s (b) Find the maximum charge that will appear on the capacitor during charging. µC (c) H
A 2.00-cm-high object is situated 18.9 cm in front of a concave mirror that has a radius of curvature of 14.4 cm. Calculate (a) the location and (b) the height of the image.
A flywheel in the form of a uniformly thick disk of radius 1.33 m, has a mass of 54.1 kg and spins counterclockwise at 265 rpm. Calculate the constant torque required to stop it in 2.50 min.
Suppose that the inductance is zero (L = 0 H) in a series RCL circuit. The rms voltages across the generator and the resistor are 75 and 29 V, respectively. What is the rms voltage across the capaci
A sledge loaded with bricks has a total mass of 17.7 kg and is pulled at constant speed by a rope inclined at 19.5° above the horizontal. The sledge moves a distance of 20.0 m on a horizontal su
(a) What is the capacitance of the capacitor? (b) What is the magnitude of the maximum charge on one plate of the capacitor? Note: The ac current and voltage are rms values and power is an average v
A person is standing 2.25 meters from a shining buidling, holding a balloon which is floating 2.55 meters directly above his eyes. What is the distance from his eyes to the image of the balloon he s
A home receives 1.7kW of electric power from a transformer on a nearby pole. The line from the substation to the transformer is at 10kV and has 0.15 Ohms resistance. What fraction of the power is lo
A 3.3T magnetic field makes a 45 degree angle with a square loop 32cm on a side. What's the magnetic flux through the loop? Express your answer to two significant figures and include the appropriate
A capacitor is connected to a 240V (peak), 50Hz power supply. If the maximum current is 430mA, what is the capacitance? Express your answer to two significant figures and include the appropriate uni