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A giant toy car with big wheels has a total mass (including the wheels) of 0.24 kg. The car has 4 wheels and each wheel has radius of 3.4 m and a moment of inertia of 0.25 kg m2. The car is attached to a horizontal spring. The spring is inititally unstretched and the car is given an initial speed of 3.4 m/s away from the spring. The car moves forward 0.34 m before it stops and is pulled back by the spring. The wheels roll without slipping the entire time.
What is the spring constant?
The time constant of the circuit is 24 milli seconds. What is the value of the capacitor in micro-farads?
A 10,000 kg railroad car is rolling at 2 m/s when a 4000 kg load of gravel is suddenly dumped in, What is the railroad car's speed
An explosion breaks an object into two pieces, one of which has 1.5 times the mass of the other. how much kinetic energy did each piece acquire
A whale swims due east for a distance of 18.4 km, turns around and goes due west for 3.51 km, and finally turns around again and heads 8.64 km due east. What is the total distance traveled by the whale
A cyclotron designed to accelerate protons has an outer radius of 0.357 m. The protons are emitted nearly at rest from a source at the center and are accelerated through 644 V each time they cross the gap between the dees, Find the cyclotron frequ..
A object with mass m=1.0kg is rotating around a axis, with a constant angular speed omega=6.28rad/s. The radius of the circular motion is 2.0m. What is the tangential speed
A 194 ohm resistor is connected in series with a 5.0 µF capacitor and a 60 hertz, 120 Volt rms line. find how much does it cost to leave this circuit connected for 54 hour
How would the results change if the angle of the third load in second experiment increased?
A circular loop of radius 0.10 m is rotating in a uniform magnetic field of 0.20 T. Discover the magnetic flux during the loop when the plane of the loop and the magnetic field vector are at an angle of 30o?
Attaching this non-ideal voltmeter decreases the voltage across R2. Calculate the magnitude of this decrease using an emf of 14 V and R1 = R2 = 350 k?
A 2.30-nF parallel-plate capacitor is charged to an initial potential difference is 100 V and is then isolated. How much work is required to withdraw the mica sheet
A 50.0 N box sliding on a rough horizontal floor and the only horizontal force acting on it is friction. You observe that at one instant the box is sliding to the right at 1.75 m/s and that is stops in 2.25 s by uniform acceleration. The force that f..
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