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You drive 98 kilometer per hour east for 31 minute, then 75 kilometer per hour north for 42 minute. Let the +x-axis point east and the +y-axis north.
Calculate your average velocity for the entire trip.
A car is moving on a flat horizontal circular track of radius 120 m. The speed of the car is constant, 15m/s. The mass of the car is 1200 kg. What force is keeping the car in the circle
Two particles each weigh 1.04 N. Find the magnitude of their mutual gravitational force when they are separated by a distance of 20.3 cm
A noisy grinding machine in a factory produces a sound intensity of 1.40 multiply.gif 10-3 W/m2. Calculate the decibel level of this machine
A 20 g bullet moving at 1000 m/s is fired through a one-kg block of wood emerging at a speed of 200 m/s. What is the change in the kinetic energy of the bullet-block system as a result of the collision assuming the block is free to move?
In the All-Alaska ice Floe Softball finals, the right fielder for the Nome IceSox (who is floating on a small chunk of ice in still water) makes an outstanding catch of a line drive. what is the final heading of the fielder just after the ball is c..
two objects attract each other with a gravitational force of magnitude 9.210-9 n when separated by 19.8cm. if the total
Logan is given an initial speed of 4.00 m/s down a 20 %u030A incline. when he reaches the bottom of the incline
light of wavelength 7.5x10-7 meter in air is incident normally perpendicularly on a double slit. the distance between
It is possible to use electromagnetic radiation to ionize atoms. To do so, the atoms must absorb the radiation, What is the longest radiation wavelegth
Calculate the weight of an 82 kilogram astronaut on Mars, Calculate the weight of an 82 kilogram astronaut in outer space traveling with constant velocity
A dielectric-filled parallel-plate capacitor has plate area = 15.0 , plate separation = 5.00 and dielectric constant = 5.00. The capacitor is connected to a battery that creates a constant voltage = 5.00 . Throughout the problem, use = 8.85×10-12 ..
A wheel accelerates with a fix angular acceleration of 4.5 rad/s2. If the initial angular velocity is 1.0 rad/s, find what is the angle the wheel rotates through in 2.0 second
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