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A box of mass 2.1 kg is on a horizontal surface. The coefficient of friction between the box and the surface is 0.32. You are able to apply a push of 26.0 N acting at an angle 33.0° below the horizontal. The box initially is at rest.
(a) Find the acceleration of the box.
(b) What is the speed of the box after it has travelled a distance of 2.3 m?
(c) If you instead pulled upwards on the box with the same force at the same angle above the horizontal, would your answers change?
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A 0.246-kg toy car is powered by three D cells (4.50 V total) connected directly to a small DC motor. The car has an effective energy conversion efficiency of 36.1%, What is the average current supplied to the car\'s motor?
A guitar string has a tension on it of 6500 N and length of 1.2 m. what is the linear mass density of the string
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C harged particle(m=6 g,q=-10x10-6 q)moves in a region of uniform field along a helical path (radius = 2.0 cm, pitch = 7.0 cm) as shown. Identify the angle between the velocity of the particle and the magnetic field?
Assuming the acceleration is constant during each time interval (but not necessarily the same in both intervals), illustrate what distance does the shuttle travel during the interval from 8.00s to 1.00min ?
If the air pressure at a particular place in the mountains is 0.75 atm estimate the temperature at which water boils
The radius of our Sun is 6.96*10^8 m, and its total power output is 3.85*10^26 W. find lambda-max for the Sun
Two point charges are on the y axis. A 3.80-µC charge is located at y = 1.25 cm, and a -2.18-µC charge is located at y = -1.80 cm. Find the total electric potential at the origin
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