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Jake decided to walk from his room to the class 1.2 miles away. The class will start in 14.3 minutes. As he is walking, he is getting more and more concerned about making it on time. So he keeps walking ever a little faster, maintaining a tiny acceleration of 3.3 mm/s2. Is he going to be late after all?
If you find that he will be late, answer by how many minutes.
Perhaps he will arrive early? Then he did not need to exert himself quite so much! In this case, what is the smallest magnitude of acceleration that would still get him to class in time (the answer may be in either mm/s2, or in m/s2).
A 1.03 10-3 µF capacitor has an initial charge of 0.100 C. When a resistor is connected across the capacitor plates, there is an initial current through the resistor of 1.08 A. What is the current 1.06 s later?
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The interior temperature is kept at 5°C, while the temperature at the outside surface is 25°C. Explain by how much heat per second is being removed from the unit?
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A 3m long wire of mass 200g is suspended in a magnetic field of 0.3 T, find the magnitude of the current is flowing through the wire
An object is located in front of a concave mirror at a distance of distance of 24 centimeter. The focal length of the mirror is 10 centimeter from the vertex. Evaluate what is the size of the image
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A small sphere is attached to a fixed point by a string of length 30 cm and whirls round in a vertical circle under the action of gravity at such a speed that the tension in the string when the sphere is at the lowest point is three times the tens..
A disk with a rotational inertia of 5.6 kg?m2 and a radius of 0.53 m rotates on a frictionless fixed axis perpendicular to the disk, The angular acceleration of the disk in rad/s2 is:
Two objects are separated by a distance of 5 cm. Each is charged with the same magnitude (absolute value) of charge. What is the magnitude of the charge of each of the objects
A small particle with a mass of 8.50 10-20 kilogram is oscillating with simple harmonic motion with a period of 3.00 10-5 second and a maximum speed of 7.50 103 m/s. Estimate the maximum displacement of the particle
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