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1. Suppose you walk with a speed of 1.20 m/s toward a plane mirror. What is the speed of your image relative to you, when your velocity is
(a) perpendicular to the mirror and
(b) at an angle of 45.0° with respect to the normal to the mirror?
2. Convex mirrors are being used to monitor the aisles in a store. The mirrors have a radius of curvature of 4 m.
(a) What is the image distance if a customer is 19 m in front of the mirror?
(b) If a customer is 1.7 m tall, how tall is the image?
Find the average force on the driver if the deceleration is accomplished gradually by the application of brakes over a 10.6 s interval
An ideal engine has an efficiency of 0.605 and uses gas from a hot reservoir at a temperature of 502 K. What is the temperature of the cold reservoir
question a metal surface illuminated by 8.5 x 1014 hz light emits electrons whose maximum energy is 0.52ev. the same
a boy is riding a bicycle which has tires with a diameter of 62cm. if he travels a distance o f 0.320km in a time of 1.00 minutes. what would the angular acceleration of the tire be
The magnetic field component of the electromagnetic wave is 15.0 microT. What is the magnetic energy density of the wave
A speeder is pulling directly away and increasing his distance from a police car that is moving at 23 m/s with respect to the ground. The radar gun in the police car emits an electromagnetic wave with a frequency of 7.00 109 Hz.
Suppose that we align a compass needle with the horizontal component of the Earth's magnetic field, What is the size of the horizontal component of the Earth's magnetic field
The top plate is illuminated by monochromatic light of wavelength 544.1 nm. Determine number of dark parallel bands crossing the top plate (including the dark band at zero thickness along the edge of contact between the two plates).
a proton with a momentum of 200 GeV/c collides with a proton at rest. Calculate the total energy in the center-of-mass system
A charge q = 5.6 μC is placed at the origin, and asecond charge q = -4.2 μC is placed at x = 1m. find the electric potential midway between the two charges
Superman throws a 0.18 kg baseball at a speed of 0.936c. Find the following for the baseball. rest energy. kinetic energy
If the density of conduction electrons is 10^27 m^3 and the wire has a radius of one millimeter, what is the electrical current through this wire
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