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A car comes to a bridge during a storm and finds the bridge washedout. The driver must get to the other side, so he decides to tryleaping it with his car. The side the car is on is21.5 m above the river, while the opposite side is amere 2.0 m above the river. The river itself is a ragingtorrent 60.0 m wide.
What is the speed of the car just before it lands safely on the other side?
The critical angle for total internal reflection for ice surrounded by air is 49.8°. Calculate the Brewster angle for ice if the light is incident from the air
A metal bar, pivoted at one end, oscillates freely in the absence of a magnetic field. But, when it oscillates between the poles of a magnet, its oscillations are quickly damped. Why? (Such magnetic damping is used in a number of practical devices..
Two bugs are buzzing with the same frequency of 186Hz. One of the bugs is flying away from a stationary observer at 9.0m/s, What is the beat frequency that the observer hears
During normal beating, the heart creates a maximum 4.30 mV potential across 0.330 m of a person's chest, What is the maximum electric field strength created
A drinking fountain projects water at an initial angle of 50 degrees above horizontal Water reaches maximum height of 0.150m above point of exit. Calculate gauge pressure in feeder pipe at this point
Derive the equation for the linear acceleration of a falling mass m suspended by a string from the rim of a uniform disk of mass M and radius R that is free to rotate without friction about its principal axis. 2. If the hanging mass is doubled, what ..
a capacitor of capacitance c 6 of is connected in series with a resistor r 5 m to a battery of emf e15v what is the
A person pushes a 13.6-kg shopping cart at a constant velocity for a distance of 33.1 m on a flat horizontal surface. find the magnitude of the force that the shopper exerts
If the football has the mass of .420 kg and the time of contact with the ball is .014 s, what is the force exerted by the ball on a kicker's foot.
Certain fish, such as the Nile fish (Gnathonemus), concentrate charges in their head and tail, thereby producing an electric field in the water around them. find the strength of the magnetic field at the receptor cells
If, in actuality, a 750 kg car with an initial speed of 96.0 km/h is observed to coast up a hill to a height of 17.0 m above its starting point, how much thermal energy was generated by friction
q1. a projectile is launched from earths surface at a certain initial velocity at an angle above the horizontal
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