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A wheel starts at rest and takes 3.00 s to rotate 37.0 revolutions at which point its angular velocity is 98.0 rad/s. What is the constant angular acceleration of the wheel?
A cannon fires up at an angle 60 degrees above horizontal with a muzzle velocity of 60 m/s. What is the speed at the top of the cannonballs trajectory?
16 g of nitrogen gas at STP are compressed in an isochoric process to a pressure 18 atm. What is the heat input to the gas
A pipe that is closed on one end is 1.2 meters long. What are its fundamental frequency and its first two overtones? What are its new first and second harmonic frequencies
The Atwood machine in the figure consists of masses m1 = 1.20 kg and m2 = 1.10 kg and a solid pulley with a diameter of 5.9 cm, what is the speed of the heavier mass after it has fallen a distance of 1.65 m
A bucket of water with a mass of 2.0 kg is attached to a rope that is wound around a cylinder. What is the acceleration of the bucket
what is the linear speed of the fishing line. The force exerted by the wind on the sails of a sailboat is 300 N north. The water exerts a force of 150 N east. If the boat (including its crew) has a mass of 300 kg, what are the magnitude and directi..
A box of mass 19.0 kg is sitting on a flat horizontal floor with a coefficient of static friction of 0.30 between the box and the floor. What minimum tension in the string is required for the box to just start moving
An athlete on a trampoline leaps straight up into the air with an initial speed of 5.1 m/s, find the speed of the athlete when she is halfway up to her maximum height
An object is placed 100 cm in front of a diverging lens of focal length -25 cm. What is the lateral magnification of this system of lenses
-5-nC point charge is located at the center of a conducting spherical shell. The shell has an inner radius of 2 m, an outer radius of 4 m, and a charge of +6 nC. (Let the radially outward direction be positive.)
As part of a safety investigation, two 1700kg cars travelling at 25 m/s are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.3 seconds to stop, and (b) car that hits a concrete ..
Consider 1 cubic meter of dry at the surface with a temperature of 300 K and a pressure of 1000 mb. Problem 19) How much energy must be added to this cubic meter of air in order to double its volume? What is the final temperature?
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