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A 25g rifle bullet traveling 280m/s buries itself in a 3.6kg pendulum hanging on a 2.8m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal component
The loaded cab of an elevator has a mass of 2.7 x 103 kg and moves 228 m up the shaft in 21 s at constant speed. At what average rate does the force from the cable do work on the cab?
A 65 kg ice skater coasts with no effort for 85 m until she stops. If the coefficient of kinetic friction between her skates and the ice is µk = 0.13, how fast was she moving at the start of
Find the average magnitude of the induced emf if the change in shape occurs in 4.14 s, and the local 0.120 T magnetic field is perpendicular to the plane of the loop.
A horizontal pipe contains water at a pressure of 100 kPa flowing with a speed of 1.5 m/s. The pipe narrows to one-half its original diameter. What are the speed and the pressure of the water when
If the freezer keeps its interior at a temperature of -5.0°C in a 20.0°C room, what is its theoretical maximum performance coefficient? What is the theoretical maximum amount of ice this fre
The magnitude of the charge on a parallel plate capacitor is 4uC and the potential difference between the plates is 80V. What is the capacitance of this capacitor?
A speedboat moving at 34.0 m/s approaches a no-wake buoy marker 100 m ahead. How long does it take the boat to reach the buoy?
A 9400 kg boxcar traveling at 21 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 12 m/s. What is the mass of the second car?
A marble moving 1.48 m/s rolls off the top edge of a 125. cm high table. How far from the base of the table did it strike the floor?
A 185 m long cannon with a launch speed of 9.41 km/s. What would have been the unrealistically large acceleration experienced by the space travelers during launch?
A small ball of mass 50 g is suspended from a string of length 66 cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 21? with the vertical, find the centripet
Estimate the terminal speed of a wooden sphere (density 0.810 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)
How to write CUDA code for cellular automata simulation.
The speed of light in a particular type of glass is 1.39 108 m/s. What is the index of refraction of the glass?
As a multiple of Earth's radius RE, what is the radial distance a projectile reaches if its initial speed is three-quarters of the escape speed from Earth?
a wrecking ball of mass 600kg hangs from acrane by a cable of length 10 m. if this wrecking ball is released from an angle of 35 degrees, what will be its kinetic energy when it swings through the l
Compared to an object that does not roll, but instead slides without friction, should a rolling object be released from the same, a greater, or a lesser height in order just barely to complete the
Astronauts on our moon must function with an acceleration due to gravity of 0.170g. If an astronaut can throw a certain wrench 14.0 {rm m} vertically upward on earth, how high could he throw it on o
what is the specific heat of a metal if it takes 15,000 J of heat to raise the temperature of a 620-g sample from 15.0C to 85.0C .
Pharmaceutical Company X conducted an experiment to determine if the new migraine headache pill would alleviate migraine headaches.
A 5.40-g lead bullet traveling at 460 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half i
John travels until he reaches the 137 km marker and then retraces his path to the 167 km marker. What is John's resultant displacement from the 237 km marker?
A 6-V battery is connected to an RC circuit (R = 4 Ω and C = 8 μF). Initially, the capacitor is uncharged. What is the final charge on the capacitor (in μC)?
An 8 kg ball hanging from the ceiling by a light wire 135 cm long, is struck in an elastic collision by a 2 kg ball moving horizontaly at 5 m/s just before the collision. Find the tension in the wi