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A fuzzy die (m = 0.2 kilogram) hangs from the ceiling of a car. When the car accelerates forward along a horizontal road, the die swings backward so the string supporting it makes an angle of 4 degree with the vertical. Determine what is the acceleration of the car? HINT: We're not concerned about how the die swung back, only that it has swung back.
An ideal spring has a spring constant k = 20 N/m. The spring is suspended vertically. What is the magnitude of the acceleration of the body when the extension of the spring is a maximum
A solenoid of length 15 cm and radius 0.8 cm with 350 turns is in aexternal magnetic field of 400 T that makes an angle of50owith the axis of the solenoid. Find the magnetic fluxthrough the solenoid. Answer in units of mWb. My assignment gave methe e..
A car of mass 1450 kg traveling at 26 m/s is at the foot of a hill that rises 140 m in 2.4 km. Find the average power delivered by the car's engine
a surface completely surrounds a 4.7 10-6 c charge. find the electric flux through this surface when the surface is a
The loss of heat to the external environment is negligible. When equilibrium is established, the temperature is 30.0°C. Illustrate what is the specific heat capacity of the specimen?
A pogo and rider of 80kg total mass at the high point of a 2.0m jump will drop 1.3m before the pogo plunger touches the ground, What approximate average force does the pogo stick exert on the ground during the landing
An MP3 player operates with a voltage of 3.7 V, and is using 0.28 W of power. Find the current being supplied by the player's battery
A thin spherical shell of mass 4.00 kg and diameter 0.200 m is filled with helium (density ? = 0.180 kg/m3). How long will it take for the top of the shell to reach the water surface
A dolphin leaps out of the water at an angle of 36.1 ° above the horizontal. Find the magnitude of the vertical component of the velocity
To focus a camera on objects at different distances, the converging lens is moved toward or awayfrom the film, so a sharp image always falls on the film.
during the compression stroke of a certain gasoline engine, the pressure increases from 1.00 atm to 5.0 atm. by what factor does the volume change
An accident victim with a broken leg is being placed intraction. The patient wears a special boot with a pulleyattached to the sole. What is the net traction force pulling on the leg
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