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Q. A 10000 {rm N} car comes to a bridge during a storm and finds the bridge washed out. The 750 {rm N} drivers should get to the other side, so he decides to try leaping it with his car. The side the car is on is 24.0 {rm m} above the river, while the opposite side is a mere 5.2 {rm m} above the river. The river itself is a raging torrent 60 {rm m} wide.
How fast must the car be travelling just as it leaves the cliff in order to clear the river and land safely on the opposite side? What is the speed of the car just before it lands safely on the other side?
An airplane is flying with a velocity of 81.0 m/s at an angle of 24.0^circ above the horizontal. When the plane is a distance 108m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
The index of refraction of air is 1, the index of glass 1.55 and the index of water 1.33. Characterize the air bubble as a point source.
Estimate the capacitance of the series combination of capacitors shown.
What is the coefficient of static friction
A rectangular container measuring 23 cm 51 cm 65 cm is filled with water. What is the mass of this volume of water in kilograms and grams.
Compute gauge pressure of the flowing water
2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path,
Objective questions based on force and acceleration.
The George Washington bridge, that spans the Hudson River between New York and Jersey, is 4670 feet long and is made out of steel, How much does it expand in length between winter and summer.
Coherent light with wavelength 599nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00m from the slits. The first-order bright fringe is a distance of 4.84mm from the center of central brigh..
A hunter aims directly at a target (on the same level) 84.2m. If the bullet leaves the gun at a speed of 193 m/s, by how much will it miss the target.
A ship's anchor weighs 5000 N. Its cable passes over a roller of negligible mass and is wound around a hollow cylindrical drum of mass 380kg and radius 1.10m. The drum is mounted on a frictionless axle. The anchor is released and drops 16 m to water.
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