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A 1200 kg automobile is moving at 30 m/s at a height of 5.0m above the bottom of a hill when it runs out of gasoline. The car coasts down the hill and then continues coasting up the other side of a hill until it comes to rest. Ignore frictional forces and air resistance.
a) what is the value of h, the highest position the car reaches above the bottom of the hill?
b) what is the speed of that car at the lowest point (bottom of the hill)?
The electric field strength is 2.40 x 10^4 N/C inside a parallel-plate capacitor with a 1.40 mm spacing, What is the electron's speed when it reaches the positive plate
A 1.42 103-kg car traveling initially with a speed of 20.0 m/s in an easterly direction crashes into the rear end of a 9.00 103-kg truck moving in the same direction at 14.0 m/s. What is the velocity of the truck right after the collision
A block rides on a piston that is moving vertically with simple harmonic motion. If the SHM has period 4.7 s, at what amplitude of motion will the block and piston separate
A tube is open only at one end. A certain harmonic generted by the tube has a frequency of 470Hz. The next higher harmonic has a frequency of 555Hz. The speed of sound in air is 343m/s.
A 10 kilogram block of metal measuring 12cm by 10 cm by 10 cm is suspended from a scale and immersed in water. What is the reading of the spring scale
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
Force F = (-5.0 N) i hat + (5.0 N) j hat acts on a particle with position vector r = (-3.0 m) j hat + (5.0 m) k hat. What is the angle between the directions of force and torque
An air gap capacitor is constructed of two parallel 20.0cm x 2.00 cm metal plates separated by a distance of 100.0 um. calculate The charge density on the plates
The springs of a 1300kg car compress 6.00 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what would be the frequency of vibrations.
Which state is best illustrates kinetic friction
A flexible chain weighing 37.0 N hangs between two hooks located at the same height. Find the magnitude of the force each hook exerts on the chain
What is an angular speed of the small cylinders, which is between two inner and outer cylinders
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