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The force of the wind on the sails of a sailboat is 390 Newton north. The water exerts a force of 180 Newton east. If the boat including crew has a mass of 270 kilogram, find the direction and magnitude of the acceleration of sailboat?
create a position vs. time speed vs. time and acceleration vs. time graph for both cars. write a paragraph comparing
1. in the experiment you will be using the speed of sound in your metal bar to help determine the youngs modulus of
A Texas cockroach of mass 0.168 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical axle) that has a radius 15.2 cm, What is the angular speed of the lazy Susan after the cockroach stops
The charging circuit for the flash system of a camera uses a 130 muF capacitor that is charged from a 250V power supply. What is the most resistance that can be in series with the capacitor if the capacitor is to charge to at least 86% of its final..
Compute what resolving power is needed to measure with a spectrograph the natural line width of the alpha particles from Po-212
a group of hikers hears an echo 4.00 s after shouting. if the temperature is 18.0degc how far away is the mountain that
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat..
A 80 kg diver steps off a 13 m tower and drops from rest straight down into the water. If he comes to rest 4.1 m beneath the surface, find out the average resistance force exerted on him by the water.
A rock of mass 32kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 274N. What is the magnitude of the acceleration of the rock.
The power supplied to a typical black-and-white television set is88 W when the set is connected to 120V. How much electrical energy does this setconsume in 1 hour?
A ball thrown into the air lands on the same horizontal level, 31 m away, and 2.6 s later. Find the magnitude of the initial velocity
A ladder base is 6m away from a house, and the fully extended ladder is 10m long when it leans against the house
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