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A 1.91-kg solid sphere (radius = 0.130 m) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.738 m high and 5.31 m long. When the sphere reaches the bottom of the ramp, what is its total kinetic energy? What is its rotational kinetic energy?
A block of mass m = 3.20 kg is pushed a distance d = 6.40 m along a frictionless, Determine the work done by the net force on the block
A laser beam is incident on two slits with a separation of 0.230 mm, and a screen is placed 5.10 m from the slits. what is the wavelength of the laser light
Two thin conductingconcentric cylinders have infinite length. The inner cylinder has aradius a and a line charge density . The outer cylinder is uncharged and has a radiusof b.
Superman is jogging alongside the railroad tracks on the outskirts of Metropolis at 150 km/h. What is superman's final speed
A loop of diameter 15 cm is placed in a uniform electric field of magnitude 6.0 102 N/C. (a) What is the electric flux through the loop when the electric field is perpendicular to the plane of the loop? N·m2/C.
When an object of 180 kg hangs from a cord around light pulley of the cord between point P and the pulley is lenght L = 2.0 m. how many loop will be formed
An iron wire has a cross-sectional area equal to 1.45 10-5 m2. find the drift speed of conduction electrons in this wire
Synchronous communications satellites are placed in a circular orbit that is 3.59 107 m above the surface of the earth. What is the magnitude of the acceleration due to gravity at this distance?
Two objects are moving along the x axis with velocities of 37 m/s (object 1) and -15 m/s (object 2). which object has the greater mass
The dimensions of a parallel-plate capacitor are all increased by afactor of five. By what factor doesthe capacitance change? (The dimensions refer to the length and width of a plate and the spacing between the plates.)
A bat can detect small objects such as an insect whose size is approximately equal to one wavelength of the sound the bat makes. what is the smallest insect a bat can detect
When viewed by an observer on the Earth, light from a distant galaxy is Doppler shifted to the red such that the ratio of the unshifted frequency to the observed frequency is 1.8
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