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Problem: After motorboat passersby on a lake, an observer on the shore noticed that the waves hit the shore about every 2.0 d and that the distance between the crests of the wave is about 1.5 m.
Required:
Question 1: What is the approximate speed of the water waves?
Question 2: Does this depend on the speed of the boat? Explain.
A small solid ball is released from rest while fully submerged in a liquid and then its kinetic energy is measured when it has moved 5 cm in the liquid. What is the density of the ball
Consider a non-ideal springthat exerts a force F(x)=-15.0 N/m x +3.00 N/m^2 x^2 , when it isdisplaced a distance x from its equilibrium length. Thedisplacement x is positive if the spring is stretched andnegative if the spring is compressed.
What is the magnitude of the displacement of a car that travels half a lap along a circle that has a radius of 240m
Newton's equation for force.
Based on the average measured velocity for the ball right after the collision, is it likely that the collision between the ball and the block is totally elastic?
A 2000 kg car is slowed down uniformly from 23.0 m/s to 5.00 m/s in 4.40 s. What average total force acted on the car during that time
Two capacitors (C1 = 6.00 µF and C2 = 11.0 µF) are now connected in series and to a 9.00-V battery, Find the charge on each capacitor
Some nitrogen and hydrogen gases are pumped into an empty five-litre glass bulb at 500°C. When equilibrium is established, 3.00 moles of N 2, 2.10 moles of H2 and 0.298 mole of NH3 are found to be present. Find the value of Kc for the reaction at ..
When a 50.0-V emf device is placed across two resistors in series, a current of 12.0 A is flowing in each of the resistors. What is the magnitude of the larger of the two resistances
A battery with an emf of 32 volts and internal resistance of 22 ohms is connected to a 25 watt light bulb. Calculate the acual terminal voltage across the battery
What should the charge (sign and magnitude) of a particle of mass 1.47g be for it to remain stationary when placed in a downward-directed electric field of magnitude 660 N/C.
A perfect cube with sides of 9.0cm is placed so that one corner is at the origin and its faces are parallel to the coordinate planes, find the total charge located within the cube
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