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A sphere with a mass of .3 kg and a radius of 15 cm starts from rest on a 22 degree incline 50 cm above a horizontal surface. It rolls without slipping down the incline. After it rolls on the horizontal surface for a short distance it collides iwth a .5 kg block, wherer it sticks (and stops rolling). What is the velocity of the combined sphere/clock system after the collision?
The magnitude and direction of acceleration of body both are constant will the body moves in straight line
A lense with a circular aperture of 1cm in diameter is just barely capable of serperating two objects, What's the wavelength of the light from the two objects
A 15.0 kg stone slides down a snow-covered hill (the figure ), leaving point A with a speed of 12.0 m/s. There is no friction on the hill between points A and B, How far will the stone compress the spring
An electron is accelerated from rest in a uniform electric field of intensity 420 N/C. Find the following: its velocity and kinetic energy after 3.0 nanoseconds. the distance it travels during the time interval
Two objects are connected by a string that passes over a frictionless pulley as shown in the figure. Assume the incline is frictionless and take m1=2.00kg, m2=6.00kg and theta=55.0 degrees. (a) Draw free-body diagrams of both objects (b) find the mag..
In a die-casting operation 0.1 kg charges of molten zinc alloy at 410 degrees C are injected at a rate of 120 charges per hour. Calculate the average die temperature after a die-casting operation
An artificial earth satellite has a circular orbit of radius 7.10 multiply.gif 106 m in an equatorial plane. Compute the (constant) speed of the satellite
Two block each of 3.0 kg are held by strings. The upper string exerts a force F of 100 Newtons. find the force exerted by the lower string on the lower block
In a constant-volume process, 205 J of energy is transferred by heat to 0.94 mol of an ideal monatomic gas initially at 309 K. find the increase in internal energy of the gas
An X-ray photon scatters from a free electron at rest at an angle of 175 degree relative to incident direction. Find the kinetic energy of the recoil electron
When you touch a friend after walking across a rug on a dry day, you typically draw a spark of about 2 mm. Estimate the potential diference between you and your friend before the spark
Two co-centric hollow spheres have radii of R1 and R2 and have uniform surface charge densities s1 and s2. The two charge densities are positive. Derive an expression for the electric field
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