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An object of mass M = 15.0 kg is attached to a cord that is wrapped around a wheel of radius r = 12.0 cm and mass m = 50.0 kg. The object slides down a frictionless incline which makes an angle ? = 40.0° with the horizontal. Assume the axle of the wheel to be frictionless.a. Find the linear acceleration of the object and the angular acceleration of the wheel.b. Determine the tension in the cord.c. How fast will the wheel be turning after the object has traveled 10.0 m down the incline?d. Find the time for the object to travel 10.0 m down the incline?
Consider two isolated, charged conducting spheres: a large sphere and a second smaller sphere with a radius 8 times smaller than that of the large sphere, but with 4 times as much charge.
A traffic controller at the airport watches a commercial plane circling above at a distance of 16.0 km as the pilot waits for clearance to land
Suppose an astronaut has landed on Mars. Fully equipped, the astronaut has a mass of 125 kg, What is the acceleration due to gravity on Mars
An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the minimum initial speed necessary to meet the path of the arrow. Elucidate the initial speed of the apple?
A 3.8 kg box is sliding down a surface that is inclined downwards by 30° below the horizontal. How much energy of the box has been lost (dissipated) by the friction
A 24V battery is connected in series with a resistor, R=4 ohms and an inductor L=2H. What is the energy stored in the inductor
A possible spacecraft design uses a solar sail made of aluminized plastic. As sunlight reflects off the sail, radiation pressure drives the spacecraft outward away from the sun. what is its acceleration at the radius of the Earth's orbit
a house is heated by 24 kq electric furnace using resistance heating if 9 J are used. How long was the furnace running in an acerage Jan day
A woman walks 300m in the direction 30° east of north, then 300 m directly east.
Draw the field lines for two infinitely long wires one running along the y axis and one running along the x axis, both charged uniformly with lambda C/m. Make an expression for the electric field E at any point in the xy plane in terms of x and y...
An oscillating mass-spring system has the following:displacement x=10cm; linear speed v=-20m/s, and an acceleration a=-20 m/s^2 what is the period of oscillation of the system
An unstable atomic nucleus of mass 1.92 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.00 10-27 kg, Find the velocity of the third particle
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