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Say you saw the following interference pattern due to air between two glass slides:
A skier is pulled by a tow rope up a frictionless ski slope that makes an angel of 12 degree with the horizontal. The rope moves parallel to the slope.
A ball is launched with initial speed v from ground level up a frictionless slope. The slope makes an angle theta with the horizontal.
A French submarine and a U.S. submarine move toward each other during maneuvers in motionless water in the North Atlantic.
How far do they slide? The coefficient of kinetic friction between football uniforms and Astroturf is 0.350. Give answer in cm.
A 3.0-cm-tall domino is located 100cm from a concave spherical mirror of R = 30cm. Locate the position of the image and find the magnification?
A block of weight mg sits on an inclined plane as shown. A force of magnitude F is applied to pull the block up the incline at constant speed.
Exercise requires a food input about four times your mechanical work output (in other words, about 25% efficiency).
A microphone is located on the line connecting two speakers that are 0.524 m apart and oscillating 180° out of phase.
Sunlight incident on a screen containing two long narrow slits 0.2mm apart casts a pattern on a white sheet of paper 2m beyond.
Use work and energy to find the length of a ramp that will stop a 15,000 kg truck that enters the ramp at 35 m/s (approximately 75 mph).
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.9e10^6 N, one at an angle 12.0 degrees west of north.
The coefficient of kinetic friction is mu_k. During time interval t, the sled moves a distance s, starting from rest.
What is the angle of incidence of the ray that is just totally internally reflected at the core-cladding interface?
A 1.5-kg box that is sliding on a frictionless surface with a speed of 12 m/s approaches a horizontal spring. The spring has a spring constant of 2000 N/m.
What is the speed of the roller coaster at the bottom of the first hill? (when the coaster is 15m above ground level).
A 6.0 kg block is pushed 8.0 m up a rough 37 degree inclined plane by a horizontal force of 75N. If the initial speed of the block is 2.2m/s up the plane.
The crate has a mass of 150 kg and rests on a surface for which the coefficients of static and kinetic friction are us= 0.3 and uk = 0.2 respectively.
A cylinder with initial volume V contains a sample of gas at pressure p. The gas is heated in such way that its pressure is directly proportional to its volume.
A layer of transparent plastic (n = 1.59) on glass (n = 1.52) looks dark when viewed in reflected light whose wavelength is 570 nm in vacuum.
How will the kinetic energy change? How will the gravitational potential energy change? How will the mechanical energy change?
When blue light (wavelength 589nm)is reflected from an air wedge formed by two flat glass plates, the bright fringes are 0.6cm apart.
Petroleum flows along a 10-cm diameter pipeline at a speed of 2.0 m/s. Determine the flow rate, assuming the liquid is ideal.
They are then brought together to form a hydrogen atom, in which the electron orbits the proton at an average distance of 5.41 x 10-11m.
The sound travels through the left tube LXM, which has a fixed length. Simultaneously, the sound travels through the right tube LYM