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(a) A daredevil is attempting to jump his motorcycle over a line of buses parked end to end by driving up a32oramp ata speed of40.0 m/s (144 km/h). How many buses can he clear if the top of the takeoff ramp is at the same height as the bus tops and the buses are 20.0 m long?
(b) Discuss what your answer implies about the margin of error in this act-that is, consider how much greater the range is than the horizontal distance he must travel to miss the end of the last bus. (Neglect air resistance.)
An amateur astronomer decides to build a telescope from a discarded pair of eyeglasses. One of the lenses has a refractive power of 11 diopters, while the other has a refractive power of 1.1 diopters.
A 3.00-UF capacitor is fully charged by a 12.0-V battery. The two ends of this fully charged capacitor are then connected to the two ends of a 6.0-mH inductor, find the maximum current and rms current
A 140 kg hockey player skating at -12 m/s runs into the back of a referee that weighs 70 kg and is traveling in the same direction but at only -6 m/s. what will the velocity of the referee be after the collision
A sample of tissue absorbs a 56-rad dose of α (alpha) particles (RBE = 14). How many rad of protons (RBE = 10) cause the same amount of damage to the tissue?
Determine the maximum hight of the ball during its flight. Will the ball hit the fence? if so, how far below the top of the fence will it hit? If not, how far above the top of the fence will it pass?
when a 420 gram mass is attached to a spring it oscillates with a period of 0.350 s. if instead a different mass m2 is
The spacecraft are 4000.0 meters apart. Both spacecraft have masses of 2.0 x 101 kg. What is the force of gravitational attraction between the two craft?
The ultrasonic transducer used in medical ultrasoundimaging, is a very thin disk ( m =0.10g) driven back and forth in SHM at 1.0 MHz by an electromagnetic coil.
A small, 300 g cart is moving at 1.30 m/s on an air track when it collides with a larger, 4.00 kg cart at rest. What is the speed of the large cart after the collision
A permanent magnet is hung from a string ( balanced ) and pointed in an East - West orientation and released. Describe its motion
A wire of nichrome of length 80cm has a resistance of 50 ohms. if the wire is four folded, find new resistance.
A dam on a fresh water lake has a rectangular shape with a width of 150 m. If the water depth at the dam is 30 m, what is the total water force exerted on the dam
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