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A 1320-kg racecar is driving around a circular track of radius 161 m. In the instant shown in the figure, the vehicle has a forward speed of 31.9 m/s and is slowing at a rate of 4.95 m/s2. What is the magnitude of the net force acting on the vehicle at this time and the force\'s direction relative to the velocity?
A block is given an initial velocity of 5 m/s up a frictionless 19° incline. How far up the incline does the block slide before coming (momentarily) to rest.
Assuming an electron free Earth. Find the force on a single proton just above Earths surface under these conditions. Compare your answer with the weight of the proton.
The first and second electron shells of an element are filled and there are five electrons in the third electron shell
A ball is released from a hot air balloon moving downward with a velocity of -10.0 meters/second and a height of 1,000 meters. How long did it take the ball to reach the surface of Earth? Given: g = -9.8 meters/second2. A. 11.2 seconds B. 12.1 sec..
A satellite moves in a circular orbit around Earth at a speed of 5918 m/s? Determine the period of the satellite's orbit
A large air-filled 0.247-kg plastic ball is thrown up into the air with an initial speed of 11.3 m/s. What fraction of its original energy has been lost to air friction
A piece of copper wire has a resistance per unit length of6.1510-3?/m. Find the magnetic field strength at the center of the coil
What is the rms current in an RL circuit when a 60.0Hz 240V rms ac voltage is applied, What is the phase angle between voltage and current
What are direction and magnitude of total velocity
Three resistors, 27, 49, and 79 ?, are connected in series, and a 0.51-A current passes through them. What is the potential difference across the three resistors
The magnetic field B at the center of a circular coil of wire carrying a current I (as in fig. 20-9) is where N is the number of loops in the coild, determine the magnetic field strength at the center of the coil
A jogger accelerates from rest to 2.12 m/s in 3.34 s. A car accelerates from 24.1 to 38.6 m/s also in 3.34 s. Find the magnitude of the acceleration of the jogger
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