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Question: Part A: What magnitude of force must the worker apply to move the crate at constant velocity? Express your answer using two significant figures.
Part B: How much work is done on the crate by this force when the crate is pushed a distance of 4.3 ? Express your answer using two significant figures.
Part C: How much work is done on the crate by friction during this displacement? Express your answer using two significant figures.
Part D: How much work is done by the normal force?
Part E: How much work is done by gravity?
Part F: What is the total work done on the crate?
A straight 1.71 m long copper rod is moved perpendicularly across a uniform 0.90 T magnetic field. If a constant potentialdifference of 1.49 V appears across its end, how much time will ittake to traverse the 1.50 m long magnetic field region?
A model of a helicopter rotor has four blades, each3.10 m in length from the centralshaft to the blade tip. What is the linear speed of the blade tip
To calculate the angular velocity of a spinning object using varying hanging and rotational masses and varying radii. To calculate the theoretical centripetal force. To calculate the experimental centripetal force
A certain musical instrument is a tube with one end open and the other end closed. The second-lowest frequency that it can play is 1500 Hz. What is the fundamental frequency
What should the pilot also consider with regard to runway length in these conditions, as well as crosswind limitations?
A uniformly charged, straight filament 3.70 m in length has a total positive charge of 2.00 µC. find the electric field at the surface of the cylinder
You throw a tennis ball straight upward. The initial speed is about 12 m/s. What is the maximum height that the ball will reach
Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. Which ball has greater kinetic energy
A simple loop circuit contains an inductor with inductance 2.45×10?2 H and a capacitor. what is the maximum current through the circuit
question what is the charge on the cavity wall and on the outer surface?an isolated conductor has net charge 1010-6 c
A thin film of oil (n=1.24) is laying on a flat piece of glass (n=1.83). When viewed through air normal to the oil film, What is the minimum thickness of the oil film
The square, flat plate shown in Fig. P9.45a is cut into four equal-sized pieces and arranged as shown in Fig. P9.45b. Determine the ratio of the drag on the original plate [case (a)] to the drag on the plates in the configuration shown in (b). Ass..
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