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Question: A 30.0-kg hammer strikes a steel spike 2.30 cm in diameter while moving with speed 20.0 m/s. The hammer rebounds with speed 10.0 m/s after 0.110 s. What is the average strain in the spike during the impact? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
A circuit has a 12 V source connected to a 5 Ohm resistor and 7 Ohm resistor in series. A current of 1 A flow through them. What is the power dissipated across the small resistor
What is the average of the velocity squared in pure oxygen (O2) at standard pressure (1 bar) and concentration 0.001 mol/L? Give answer in (m/sec)^2
A block of mass m slides without friction down a looped track. determine from what minimum height must it be released
Where g is the gravitational field strength, G is the gravitational constant, and m is the mass enclosed by the Gaussian surface. Show that one can obtain Newton’slaw of gravitation from this expression.
In one inertial frame (the Home Frame), two events are observed to occur at the same place but ?t = 32 ns apart in time. What is the coordinate time interval between the events in the Other Frame
A car moving at 25m/s approaches a stationary whistle that emits a 350Hz sound. The speed of sound in the air is 343m/s, find the frequency of sound heard by the driver of the car
Presume the needle moves 7.5 mm from its highest to its lowest position and it makes 26 stitches in 9.1 s. What is the highest needle speed.
A paratrooper fell 370 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.1 m deep, find the work done on him by air resistance as he fell
Sources A and B emit long-range radio waves of wavelength 530 m, with phase of the emission from A ahead of that from source B by 90°. The distance rA from A to a detector is greater than corresponding distance rB from B by 110 m. What is the magni..
A sky-diver jumps out of a plane and achives (terminal velocity) before opening his parachute.Explain what is meant by the term terminal velocity,why it occurs and what value of velocity a typical sky diver might experience.
A resistor with R=300 ? and an inductor are connected in series across an ac source that has voltage amplitude 500 V. What is the power factor
What must be the magnitude of the magnetic field so that charges having a velocity of 3.35km/s perpendicular to the fields will pass through undeflected?
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