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A race car accelerates uniformly as it leaves the pit area, going from rest to 330 km/h in a semi circular arc with a radius of 200 meter. Evaluate the tangential acceleration of the car when it is halfway through the turn, assuming constant tangential acceleration.
m/s2
the angle between 2 electrons is 65 degrees. if two electrons are each 2.10times10-10 m from a proton find the
A particle with charge –3.24 × 10-6 coulombs is released at rest in a region of constant, uniform electric field. Assume that gravitational effects are negligible. At a time 2.36 seconds after it is released, the particle has a kinetic energy of 1.28..
The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts. Some of these studies use a machine known as a centrifuge.
Amtrak's 20th-Century Limited is en route from Chicago to New York at 120km/h when the engineer spots a cow on the track. What is the magnitude of the train's acceleration
In the ammonia (NH3) molecule of Figure 9-39, three hydrogen (H) atoms form an equilateral triangle, with the center of the triangle at distance d = 9.40 ×10-11 m from each hydrogen atom. The nitrogen (N)atom is at the apex of a pyramid, with the t..
The input of a variable auto transformer is connected to an alternating is connected to an alternating emf of 120 V rms. the output is connected to a resistor of 100?. the output voltage varies linearly from 0 at theta = full CCW position to 120 V..
The transverse displacement (y) of a wave is given as a function of position (x in meters) and time (t in seconds) by the expression to the right. Determine the wavelength, frequency, period, and phase constant of this waveform.
A mass spectrometer applies a voltage of 2.00 kV to accelerate a singly charged positive ion. What is the mass of the ion
A block of mass 12.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 2.80 104 N/m. how far has the spring been compressed
A brass rod with a length of 1.40m and a cross-sectional area of 2.37cm2 is fastened end to end to a nickel rod with length L and cross-sectional area 0.720cm2, What is the strain in the nickel rod
A 0.013 kilogram ball is shot from the plunger of a pinball machine. Because of a centripetal force of 0.027 Newton, Calculate what is the speed of the ball
A 11 kg box must be slid across the floor. what is the minimum force needed to start the box moving from rest
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