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A 10.0 gram bullet is fired into and embeds itself in a 1.75 kilogram block attached to a spring with a spring constant of 23.0 N/m and whose mass is negligible. Obtain how far is the spring compressed if the bullet has a speed of 300 m/s just before it strikes the block, and the block slides on a frictionless plane? (Note: You must use conservation of momentum in this problem.)
A flashlight on the bottom of a 3.60 m deep swimming pool sends a ray upward, What angle (in air) does the emerging ray make withthe water's surface
A certain corner of a room is selected as the origin of a rectangular coordinate system. what is the distance of the fly from the corner of the room
an electron starts from rest 0.05m from the centre of a uniformly charged sphere of radius 0.03m. if the sphere carries
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 114, Find the maximum speed that the car can have without slipping
Suppose you lower the object a distance 0.246 m (in the same direction the field is pointing). What is the work done by the electrical force
A high-voltage transmission line with a resistance per unit length of 0.320 ?/km carries a current of 960. A. Calculate the power loss due to resistance in the line
A capacitor has a capacitance of 2.1410-8 F. In the charging process, electrons are removed from one plate and placed on the other plate. When the potential difference among the plates is 440 V, how many electrons have been transferred?
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Assume the orbit to be circular and 360 km above the surface of the Moon, where the acceleration due to gravity is 1.16 m/s2. The radius of the Moo..
a classical system of n distinguishable non-interacting particles of mass m is placed in a three dimentional harmonic
A laser is used in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 470 nm, while the power is 2.2 W. how many photons are emitted by the laser
A dog pulls on a pillow with a force of 2.2 N at the angle of 40° above the horizontal. Find the x and y components of the force.
A car traveling 90km/h slows down at a constant 0.50 m/s^2 just by "letting up on the gas." Compute the distance it travels during the third second.
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