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The radius of curvature of a highway exit is r = 95.5 m. The surface of the exit road is horizontal, not banked. (See figure.)
If the static friction between the tires and the surface of the road is μs = 0.408, then what is the maximum speed at which the car can exit the highway safely without sliding?
A thin layer of ice floats on the surface of water in a bucket. A ray of light from the bottom of the bucket travels upward through the water. What is this angle after the ice melts
The magnetic field in a radio wave traveling through air has amplitude 2.5 10-11 T and frequency 2.9 MHz. Find the amplitude and frequency of the electric field
An electromagnetic wave strikes a 1.47-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is 8.35 x 10-4 T. How long does it take for the wave to deliver 1110 J of energy to the wall?
On a frictionless horizontal surface, a 1.50 kg mass traveling at3.50 m/s collides with and sticks to 3.00 kg mass that isinitially at rest. How much mechanical energy is lost during the process
A baseball is hit at an angle of 60° above the horizontal with a speed of 40 m/s. There is a 15 m high fence located at 120 m from the batter. How high is the ball at its highest point
Water is pumped from the Colorado River to supply Grand Canyon Village, located on the rim of the canyon. What is the minimum pressure at which the water must be pumped if it is to arrive at the village
The equipotential surfaces surrounding a point charge are concentric spheres with the charge at the center. evaluate the distance between these two surfaces
You create a diffrent kind of pendulum by swinging a meter stick (mass m) on its end. It swings with small oscillations. Determine the angular frequency w ( I=1/3 ML ^2)
the air above water is cooled as a result of the water absorbing heat from the air. the density of air is 1.29 kgm3 and
Bacteria vary somewhat in size, but a diameter of 2.0 nanometers is not unusual. What would be (a) volume (in cubic centimeters) and (b) surface area (in square millimeters) of such a bacterium, assuming that it is spherical.
a neutron star and a black hole are 2.400e12 m from each other at a certain point in their orbit. the neutron star has
A quarterback throws a football toward a receiver with an initial speed of 18 m/s at an angle of 32° above the horizontal. At that instant the receiver is 18 m from the quarterback
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