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A 1550 kg car drives around a flat 200 m diameter circular track at 30 m/s. What is the magnitude and direction of the net force on the car?
A semi truck is stopped across a road. As a driver approaches at 20 m/s he sounds the horn of his car (f=350 Hz). find the frequency of the horn heard by the truck driver
A 385-kg cannon, sliding freely on a frictionless horizontal plane at a speed of 7.13 m/s, shoots a 13.5-kg cannonball at an angle of 53.3° above the horizontal. What is the velocity of the ball relative to the cannon
Two spheres of mass m1= 3kg and m2= 1.5 kg are given. The lighter sphere is at rest. what is the velocity of each sphere after collision
Scientists plan to release a space probe that will enter the atmosphere of a gaseous planet. The temperature of the gaseous planet varies linearly with the height of the atmosphere.
find the maximum distance she can be from the craft and still return within 2.30 min (the amount of time the air in her helmet remains breathable).
On a part-time job, you are asked to bring a cylindrical iron rod of length 94.7cm and diameter 2.50cm from a storage room to a machinist. Calculate the weight of the rod
Your car's wheels are 69 cm in diameter and the wheels are spinning at an angular velocity of 105 rad/s. How fast is your car moving in kilometers per hour
Calculate the peak voltage of a generator that rotates its 210 turn, 0.100 m diameter coil at 3600 rpm in a 0.830 T field
An object of mass m = 2.3 g and charge Q = +48 µC is attached to a string and placed in a uniform electric field that is inclined at an angle of 30.0° with the horizontal. Find the magnitude of the electric field
The attractive electrostatic force between the point charges 7.14×10?6 and has a magnitude of 0.825, find the sign and magnitude of the charge Q
Oil is being loaded into a barge through a 150 mm diameter pipe whose exit is at an angle ? (alpha)= 60 degrees to the horizontal. Determine the force exerted by the barge on the rope
The escape speed of a particular planet with a radius of 8.600e+6 m is 14,500 m/s. What is the mass of the planet
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