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A .22 rifle bullet, travelingat 350 m/s, strikes a block of soft wood, which it penetrates to adepth of 0.130m. The block of wood is clamped in place and doesn'tmove. the mass of the bullet is 1.80g. Assume a constant retardingforce.
A.) How much time is required for the bullet to stop?
B.) What force, in newtons, does the wood exert on thebullet?
Two astronauts are, 4.86 m apart in their spaceship, speaking to each other. How far away from the Earth is the spaceship
When a guitar string is sounded along with a 436 Hz tuning fork, a beat frequency of 5Hz is heard. When the same string is sounded along with a 434 Hz tuning fork, beat frequency is 7.00 Hz. What is the frequency of the string.
Two spaceships approach each other, each moving with the same speed as measured by an observer on the Earth. find the speed of each spaceship as measured on Earth
You combine two thin lenses by placing them in contact so that their axes coincide, forming what is called a compound lens. Find the focal length of this compound lens
A solenoid 10.0 cm in diameter and 75.4 cm long is made from copper wire of diameter 0.100 cm, What power must be delivered to the solenoid if it is to produce a field of 7.60 mT at its center
A gymnast of mass 59 hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and presume that the rope does not stretch. Utilize the value for the acceleration of gravity.
Compute the magnitude and direction of the total gravitational force exerted on one sphere by the other three.
The positively charged plate of a parallel-plate capacitor has a charge equal to Q. When the space between the plates is evacuated of air, What is the dielectric constant of the material
Two golf balls are glued together and rotated about an axis through the point where they are joined. What is the moment of inertia of the pair of golf balls around the chosen axis
Assume we have an infinitely long wire carrying a current of 2.50 A. It is bent into an L-shape extending into positive infinities along x- and y- axes. Find out the magnitude of the magnetic field at a point P with coordinates (0.30 m, 0.30 m)
A solid sphere of radius = 10 cm and mass = 2 kg is going down an inclined plane of height = 5 m. The angle of the inclined plane = 35 degrees. What is the final Total kinetic energy of the sphere
Light of wavelength 550nm in a vacuum is found to travel at 1.96*10^8m/s in a certain liquid. Determine the index of refraction of the liquid
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