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A rocket is flying level at standard sea level conditions and the Mach number indicated is .985. Calculate the speed of the rocket in miles per hour.
If the particle's velocity is perpendicular to the magnetic field at all times, what is the magnitude if the magnetic force exerted on the particle?
Assume that the inside of the tube is a force-free region and that the particle makes elastic reflections at the tube ends. Use Schrondinger's equation find the ground-state energy for the particle
A compact disc undergoes 30 revolutions as it accelerates uniformly from rest to 5 revolutions per second. What is the angular acceleration of the disk?
The magnification of the final image produced by this lens combination. the object is 10 cm in front of the first lens. And note that I'm asking about the final image, not the intermediate image.
A contact lens is made of plastic with an index of refraction of 1.58. The lens has an outer radius of curvature of +2.03 cm and an inner radius of curvature of +2.42 cm. What is the focal length of
The top of a swimming pool is at ground level. If the pool is 2.28 m deep, how far below ground level does the bottom of the pool appear to be located for the following conditions?
Halley's comet has a period of approximately 76 years, and it moves in an elliptical orbit in which its distance from the Sun at closest approach is a small fraction of its maximum distance. Estimat
What is the velocity and the depth of the object at time 3 s after it was launched. show steps and diagram (free body).
A potential difference of V=24.0 V is applied across two capacitors in parallel, with capacitances 36.0 nF and 48.0 nF. What is the magnitude of the charge on one of the plates of the 36.0-nF capaci
How strong is the magnetic field (in T) at a point midway between the two wires, on the vertical line that connects the two points of closest approach?
A baseball is hit from 1 m above the ground and attains a maximum height of 21 m and horizontal distance of 100 m. A fielder can catch the ball between the ground and 3 m. Over what horizontal dista
The electrons in the rod have moved until they are in equilibrium. One end of the rod is negatively charged, while the other is positively charged. How strong is the electric field (in V/m) inside t
Bonnie and Clyde are sliding 390 kg bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 435 N of force while Bonnie pulls forward
What is the magnitude of the force exerted by the hail on a 13.00 m x 12.00 m flat roof during the storm ? Ignore the bounce of the hail on impact.
If the coefficient of kinetic friction between the block and wall is 0.487, find the work done by F.
A 3 kg box is released from rest on a smooth curved surface 5 m above the bottom as shown. At the bottom the box encounters a spring with a spring constant k=400 N/m. What is the speed of the box j
A pendulum bob of mass m is released from a height H above the lowest point. It collision at the lowest point with another pendulum of the same length but with bob of mass 2m initially at rest. Find
What is the rotational inertia of the board plus children about a vertical axis through the center of the board?
The ball then slides along the table and makes an elastic head-on collision with a second ball of equal mass that is initially at rest. Find the velocity of the second ball just after it is struck.
What is your gravitational potential energy at the plane's 13-km cruising altitude? What is your gravitational potential energy in Denver?
A cone with a base radius of R contains a charge inside its surface. the flux through the curved portion of the cone's surface is +20.8Nm^2/C; the flux through the flat base is +7.45Nm^2/C. what is
A solenoid 30.0 cm long and with a cross-sectional area of 0.600 cm^2 contains 460 turns of wire and carries a current of 70.0 A. A. Calculate the magnetic field in the solenoid.
Assume the spear gun barrel is 1.80 m above the water surface, the fish is 1.40 m below the surface, and the spear travels in a straight line all the way to the fish.
A 190 g copper bowl contains 190 g of water, both at 19.0°C. A very hot 470 g copper cylinder is dropped into the water, causing the water to boil, with 4.88 g being converted to steam. The fin