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A stone has a mass of 9.00 x 10 ^-3 kg and is wedged into the tread of an automobile tire. The coefficient of static friction between the stone and each side of the tread channel is 0.70. When the tire surface is rotating at a maximum speed of 14 m/s, the stone flies out of the tread. The magnitude Fn of the normal force that each side of the tread channel exerts on the stone is 1.8 N. Assume that only static friction supplies the centripetal force, and determine the radius r of the tire.
Consider a 7.0-kg red block pressed against a wall as shown in the animation (position is in meters and time is in seconds), determine the force of the hand that acts on the block
Two blocks with masses 500g and 510 g are connected to a rope and hung over a 50g cylinder with a radius of 4 cm. What is the rotational inertia of the cylinder
The side mirrors on cars are convex mirrors. If the side mirror on the driver side of your car has a focal length with a magnitude of 5.30 m, determine the image distance of the truck
Show that the SI units for Planck's constant (h) are equal to the SI units of angular momentum. Calculate the magnitude of the Bohr radius
a parallel plate capacitor consisting of two square plates has a potential difference V0 across the plates, and separated by a gap of 1.1mm. what is the magnitude of the electric field inside the capacitor
a closed organ pipe resonates with frequency 6hz and an open organ pipe resonates with frequency 12hz. if the two organ
A painting of mass 3.20 kg hangs on a wall. Two thin pieces of wire, each 0.250 m long, connect the painting's center to two hooks in the wall. how much tension is in each piece of wire
The velocity of a ball changes from ‹ 9, ?7, 0 › m/s to ‹ 8.96, ?7.14, 0 › m/s in 0.02 s, What is the rate of change of momentum of the ball
A system receives 107 joules in the form of heat energy in a specified process and it produces work of 4*10^6 joules. The system velocity changes from 10km/s to 25 km/s and its elevation changes from 20m to 12m. The mass of the system is 50 kg. Deter..
A boeing 747 jet with a wingspan of 60.0 m is flying horizontally at a speed of 300 m/s over Phoenix, What voltage is generated between the wingtips
The pilot of an airplane notes that the compass indicates a heading due west. The plane's speed relative to the air is 150 km/h. Find the velocity of the airplane relative to the ground
A television set connected to a 120 outlet consumes 73 of power. How much current flows through the television
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