Consider the experiment described in Question 3.6 (Figure Q3.6 ). (a) Draw force diagrams for the magnet and for the paperclip. (b) Which of the forces that you have drawn are pairs according to Newton's third law ? Assume all objects are at rest. (c) If the mass of the magnet is 0.300 kg and the force exerted by the hand on the magnet is 3.18 N, what is the magnitude of the force exerted by the paperclip on the magnet? (d) Can you determine the mass of the paperclip based on these data? Explain.
Consider the experiment described in Question 3.6 (Figure Q3.6 ). (a) Draw force diagrams for the magnet and for the paperclip. (b) Which of the forces that you have drawn are pairs according to Newton's third law ? Assume all objects are at rest. (c) If the mass of the magnet is 0.300 kg and the force exerted by the hand on the magnet is 3.18 N, what is the magnitude of the force exerted by the paperclip on the magnet? (d) Can you determine the mass of the paperclip based on these data? Explain.
Consider the experiment described in Question 3.6 (Figure Q3.6). (a) Draw force diagrams for the magnet and for the paperclip. (b) Which of the forces that you have drawn are pairs according to Newton's third law? Assume all objects are at rest. (c) If the mass of the magnet is 0.300 kg and the force exerted by the hand on the magnet is 3.18 N, what is the magnitude of the force exerted by the paperclip on the magnet? (d) Can you determine the mass of the paperclip based on these data? Explain.
Definition Definition Fundamental law of forces which states: “For every action, there is an equal and opposite reaction." In other words, whenever one body exerts a force on a second body, the second body exerts an oppositely directed force of equal magnitude on the first body. It is also called the “action-reaction law” and was defined by Sir Isaac Newton.
A capacitor with a capacitance of C = 5.95×10−5 F is charged by connecting it to a 12.5 −V battery. The capacitor is then disconnected from the battery and connected across an inductor with an inductance of L = 1.55 H .
(D)What is the charge on the capacitor 0.0235 s after the connection to the inductor is made? Interpret the sign of your answer. (e) At the time given in part (d), what is the current in the inductor? Interpret the sign of your answer. (f) Atthe time given in part (d), how much electrical energy is stored in the capacitor and how much is stored in the inductor?
Close-up view
etermine;
The volume of the object given that the initial level of water in the measuring cylinder
23cm3.
The density of the object.
simple cell made by dipping copper and zinc plates into dilute sulfuric acid solution. A bull
onnected across the plates using a wire.
State what constitute current flow through the wire
The bulb connected across is observed to light for some time and then goes out. State t
possible
asons for this observation.
State two ways in which the processes named in question (b) above can be minimized t
the bulb light for a longer period.
ead
is rated 80Ah. Determine the current that can be drawn continuously
Answers with -1.828, -1.31 or 939.3 are not correct.
Chapter 3 Solutions
College Physics: Explore And Apply, Volume 2 (2nd Edition)
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