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Nathaniel is driving his sports car down a four-lane highway at 40m/s. He comes up behind a slow-moving dump truck and decides to pass it in the left-hand lane. If Nathaniel can accelerate at 5m/s/s, how long will it take for him to reach the speed of 60m/s?
At what distance from a proton is the magnitude of its electric field 1.1×105N/C ? How far horizontally does the particle travel in 0.50s? What is the horizontal component of its velocity at that point?
a. calculate the launch speed of a projectile that rises vertically above the earth to an altitude equal to one earth
A skier of mass 70kg is pulled up a slope by a motor driven cable. the work required to pul him 60m up a 30 degrees slope, What horsepower must a motor have to perform this task
Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 64.7 N, Find the magnitude of the net force the people exert on the donkey
An asteroid is discovered heading straight toward Earth at 14 km/s . An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10minutes , after which the asteroid is moving at 28degrees to its original pa..
a positive test charge experiences an electrostatic force in the negative direction of an axis. what is the direction
A cylindrical region of space of radius R contains a uniform magnetic field B with direction into the page. Find the magnitude and direction of the induced electric field at r = 5.00 cm if the magnetic field changes at a constant rate from 0.500T to..
A passenger with mass 85 {\rm kg} rides in a Ferris wheel. The seats travel in a circle of radius 35 {\rm m}. The Ferris wheel rotates at constant speed and makes one complete revolution every 25 {\rm s}.
A mass connected to a horizontal spring sits on a frictionlesstable. The mass is moved to compress the spring, and the system isreleased from rest. What happens to the energy initially stored inthe spring?
A 2.0-kg mass is hung from a spring ofspring constant 18 N/m, displaced slightly from its equilibriumposition, and released. What is the frequency of its vibration
a 1.5 kg bass is swimming along at 2.5 m/s when it ingests a .50 kg minnow traveling in the opposite direction at 3 m/s. what is their speed just after this "interaction"
Determine the average rate of change from 2005 to 2009, and interpret the results. To receive full credit, describe how you determined the rate of change, and make sure you use complete sentences for your interpretation of the slope.
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