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A 11.0-g bullet is fired horizontally into a 102-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 155 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum of 84.0 cm, what was the speed of the bullet at impact with the block?
m/s
The maximum speed of the pendulum bob in a grandfather clock is 0.45 m/s. what is the length of the pendulum
Consider the 30N weight held by two cables shown below. The left-hand cable is horizontal. What is the tension in the cable slanted
A woman with mass 50 kg stands at the rim of a large disk rotating at 0.5 rev/s about its center axis. What is the difference in energy of the system
A rock is thrown with a velocity of 10 m/s @ 45 deg above the horizontal from a bridge 20 m above a river. What is the elapsed total flight time to reach the river
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, What emf and current are induced in the square coil
The density of free electrons in gold is 5.90 × 1028 m-3. The resistivity of gold is at a temperature of 20°C and the temperature coefficient of resistivity is A gold wire, 1.1 mm in diameter and 29 cm long, carries a current of 650 mA. The drift ..
Water at 100 degrees is flowing through a long pipe of radius 1rapidly enough so that we may assume that the temperature is 100 at all points. A t=0, the water is turned off and the surface of the pipe is maintained at 40 degrees from then on (neglec..
The aircraft carrier John F. Kennedy has mass 7.4 107 kg. When its engines are developing their full power of 280,000 hp, the John F. what is the magnitude of the force of water resistance
Find out altitude of the airplane
A 4.00-kg mass is connected by a light cord to a 3.0 kg mass on a smooth surface. The pulley rotates about a frictionless axle and has a moment of inertia of 0.50 kg · m2.
A right circular cylinder has radius of 1cm and contains Hg ( d= 13.596 kg/l), Determine length of mercury column and length of water column
The generator in a purely capacitive AC circuit has an angular frequency of 126? rad/s and a maximum voltage of ?Vmax = 129 V. what is the RMS current in the circuit
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