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Question1
A curve of radius 160 m is banked at an angle of 11°. An 808-kg car negotiates the curve at 88 km/h without skidding. Ignore the effects of air drag and rolling friction. Find out the following points.
(a) The normal force exerted by the pavement on the tires
(b) the frictional force exerted by the pavement on the tires
Question2
An 26 g rifle bullet traveling 370 m/s buries itself in a 4.8 kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. Determine the greatest vertical displacement of the pendulum (height). (g = 9.8 m/s2)
You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.1. How far behind the pinhole should you place the viewing screen
A wire of unknown material has a cross-sectional area 7 mm2 and length 15 cm. What is the resistivity of the unknown material
A block is placed at the end of the frictionless ramp and is pulled up the ramp through a solid ball on the end of a string that passes over a frictionless pulley that does not affect the motion of the block or ball. The ramp is 3.40 meters long and ..
A snowmobile climbs a hill at velocity v-up. The slope of the hill is a 2 ft rise for every 70 ft of distance. The resistive force of the snow is equal to 4.12 percent of the weight of the snowmobile. How fast will the snowmobile move downhill, assum..
A satellite in Earth orbit has a mass of 91 kg and is at an altitude of 1.97 x 10^6 m. What is the potential energy of the satellite%u2013Earth system
A nucleus of mass 238 u, initially at rest, emits an ? particle with a KE of 5.1MeV. What is the ke of the recoiling daughter nucleus
A doubly charged ion is accelerated to an energy of 31.5 keV by the electric field, What is the electric field strength between the plates in V/m
An osprey's call is a distinct whistle at 2200 Hz. An osprey calls whereas diving at you, to drive you away from her nest. You hear call at 2220 Hz. How fast is the osprey approaching.
Air that occupies 0.19 cubic meters at 1.03e+05 Pa gauge pressure is expanded isothermally to atmospheric pressure, Compute the work done by the air
A rectangular loop of side lengths 3 cm and 5 cm, What is the speed of the loop if the induced current is 1.5 mA
The current in a 100 watt lightbulb is 0.800 A. The filament inside the bulb is 0.220 mm in diameter. What is the current density in the filament
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 159-kg laser sensor which measures the thickness of the ice, find the tension in the cable towing the sensor
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