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X-ray photons of wavelength 0.0248 nm are incident on a target and the Compton-scattered photons are observed at 90 degrees. What is the momentum (magnitude and direction) of the scattered electrons
A batter hits a baseball 2.00 ft above the ground towards 3rd base. If the ball takes 0.52 s to get to the 3rd baseman (who is 95 ft from homeplate) and it passes just above the jumping 3rd baseman'
After 21 seconds, the rocket engine cuts out. What is the maximum height attained by the rocket? How far does the rocket travel in the horizontal direction? What is the total flight time?
At what velocity must the plane fly (relative to earth) to maintain her original heading? At what angle and which direction?
A child slides down a slide with a 29o degree incline, and at the bottom her speed is precisely one-fourth what it would have been if the slide had been frictionless. Calculate the coefficient of ki
The positron is a particle with the same mass as an electron but charge +e. A positron in a bubble chamber moves perpendicular to a 3.4T magnetic field. a) If the positron's kinetic energy is 27eV ,
A velocity selector has its electric field directed vertically downward, with magnitude 130N/C . a) Find the magnitude of the horizontal magnetic field required to select charged particles moving at 3
A proton in the upper atmosphere moves at 8.4×10^5 m/s , perpendicular to Earth's magnetic field, which at that point has magnitude 5.3×10^?5 T. Find the curvature radius of the proton's
A 1.30T magnetic field points northeast. Find the magnitude and the direction (either up or down) of the force on a +0.45C charge that is moving 15m/s toward the: a) north b) east c) south d) west e
A 30.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is 6.00 multiplied by 105 N·m2/C. What is the ma
I have solved that the external resistor R is 106 ohm. I have solved that the internal resistance r of the battery is 2.73 ohm. What is the energy dissipated in the battery's internal resistance in
A component with a 15 Ohm resistor is rated for use at power levels not exceeding 1,603 mW. How much current can safely flow through the component? Express the answer with two decimal places.
Venus and the Sun are separated by a distance of 0.7 AU. Where along the path between these two celestial objects does their opposing gravitational forces cancel out?
An airplane is traveling at 117 mph (relative to the air), 13 degrees E of N, at an altitude of 5000 ft. It encounters a cross-wind, blowing 16 m/s (relative to the earth) @ 39 degrees S of W. At wh
The collision takes place when the pendulum is passing through its lowest point, and during the collision, the ball sticks to the pendulums bob.How high will the system rise from the horizontal surf
The electric potential V in the space between two flat parallel plates is given by V = 1200x2 , where V is in volts if x, the distance from one of the plates, is in meters. Calculate the magnitude a
How long does it take to charge the dome to 3.0 MV? How much power is required to operate the machine when the dome potential is 3.0 MV, assuming the rate of charge transfer remains constant?
Suppose that the three quarks are equidistant from one another. Take the distance to be 1.48×10-15 m and calculate the potential energy of the subsystem of two "up" quarks. (MeV) Calculate the
How much power is required to operate the machine when the dome potential is 3.0 MV, assuming the rate of charge transfer remains constant?
What is the charge on the surface of a conducting sphere of radius 0.20 m whose potential is 450 V (with V = 0 at infinity)? What is the charge density on the surface of a conducting sphere of radiu
A parallel plate air capacitor has a capacitance of 300 pF and a charge of magnitude of .025 uC on each plate. The plates are 0.700mm apart. A) What is the potential difference between the plates?
In a particular Millikan oil-drop apparatus, the plates are 2.25cm apart. The oil used has a density of 0.805g/cm^3, and the atomizer that sprays the oil drops produces drops of diameter 1.00 x 10^-
What is the maximum heigh about the ground achieve by the projectile? Please show work for both.
An automobile accelerates from a standing start at 2.2 m/s2. At that instant a truck, traveling at a constant speed of 9.5 m/s overtakes the car. How far will the car have to travel to overtake the
At t = 0 an inductor is connected to a 9.0 V battery. At t = 2.3 s, the current through the inductor is 0.39 A, and after about 10 s, the current reaches a stable value of 1.8 A. Find the resistance