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A 10720 kg sailboat is moving through the waters of the Atlantic. Initially, the boat is traveling at 35 mph, 33 degrees East of North. After 4 minutes, the boat is travelng at 25 mph, 27 degrees West of North. Three forces are acting on the boat,
• Force due to resistance from the water: 10 N, 20 degrees S of W •Force from an auxiliary motor: 7 N, 31 degrees E of N
• Force due to the wind: Fwind What is the net force (Fnet) acting on the boat? ? N ? degrees N of E What is the force of the wind (Fwind) on the boat? ? N ? degrees N of E
You throw a ball toward a wall at speed 20 m/s and at angle theta=60 degrees above the horizontal. What is the angle when it hits the wall
Two 5.0cm×5.0cm metal electrodes are spaced1.1mm apart and connected by wires to the terminals of a 9.0 V battery. What is the potential difference between electrodes
What minimum coefficient of static friction is required? Is the reply you found reasonable? In other words, is he probable to stay on the merry-go-round.
An experiment finds that standing waves on a 0.800-m-long string, fixed at both ends, occur at 24.0 Hz and 32.0 HZ, but at no frequencies in between. What is the wave speed on the string
A 1.50 V battery supplies 0.350 W of power to a small flashlight for 20.0 min. How much charge does it move
Two packing crates of massesm1= 10.0kg and m2=7.00 are connected by a light string that passes over a frictionless pulley, Find the acceleration of the 7.00 kg crate
Two 1.5cm -diameter disks face each other, 1.1mm apart. They are charged to ±20nC. What is the electric field strength between the disks
An RL circuit with L = 3 H and an RC circuit with C = 5 µF have the same time constant, What is this common time constant
A plastic bag is filled with hydrogen at atmospheric pressure and 27.0 oC. Assume that the mass of the bag is negligible, How large a volume of hydrogen (in m3) is required
A lithium-5 nucleus is moving at 1.6 Mm/s when it decays into a proton and an alpha particle. What are the magnitude and direction of the proton's velocity
Here is the data found: This is OHM'S LAW experiment Trial Voltage Current Resistance, What is the uncertainty of this measurement
The mass of each can be taken to be 37,000 . If the train is accelerating at on a level track, elucidate the tension in the coupling between the second and third cars? The car nearest the locomotive is counted as the first.
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