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A 2.30-g bullet embeds itself in a 1.30-kg block, which is attached to a spring of force constant 780 N/m. If the maximum compression of the spring is 5.80 cm , find the initial speed of the bullet.
ben lets his toys slide down a 1.5m ramp at a 45 degree angle in a wooden box. the box starts out at rest and speeds up
An engineer is developing an electric water heater to provide a continuous ("on demand") supply of hot water. What is the power at which the heater operates
A 2000 kg submarine rises straight up to the surface of the ocean. what is the submarine's acceleration
A block of mass m1 = 1.75 kg and a block of mass m2 = 5.90 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 10.0 kg. These blocks are allowed to move on a fixed block-wedge of ..
1. suppose a room is divided into the front one fifth the middle two fifths and the back two fifths. what is the ratio
A race car starts from rest on the circular track of radius 455m. The car's speed increases at the constant rate of 0.480m/s2. At the point where magnitudes of the centripetal and tangential accelerations are equal.
Consider a system consisting of three masses on the axis. Mass m1 = 1.50kg is at x = 1.40m ; mass m2 at 2.30kg is at = 2.10 m; and mass m3= 3.30kg is at = 2.60 m
A piccolo can be approximated as a tube that is open at both ends. If a piccolo is 22 cm long, what is the frequency of the lowest note it can play
A car is moving in a circular path. At a certain instant, it has zero tangential acceleration and a non-zero centripetal acceleration
The electric field 5.90 from a very long charged wire is ( 2300 ,toward the wire).What is the charge (in nC) on a 1 cm-long segment of the wire.
A particular organ pipe can resonate at 231 Hz, 385 Hz, and 539 Hz, but not at any other frequencies in between. Is it an open or a closed pipe? What is the fundamental frequency of this pipe.
Assume that 10 g of steam is added to 100 g of water initially at 19°C. The water is inside an aluminum cup of mass 35 g. Find the final temperature of the water after equilibrium is reached
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