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Struck from behind, a 950-kg stopped car accelerates from rest to 40km/h in 75 ms. Typically, a person's head makes up 6.0% of their body weight. Assume human's mass is 65kg .
Part A What horizontal force on the head would accelerate it along with the rest of the body? Express your answer in newtons.
Part B Express your answer as a multiple of the head's weight.
Consider the 642 N weights held by two cables shown. The left-hand cable had tension T2 and makes an angle of thelta2 with ceiling. The right-hand cable had tension 460 N and makes an angle of 47 degrees with the ceiling.
A carbon resistor is to be used as a thermometer. On a winter day when the temperature is 4.00?C, What is the temperature on a spring day when the resistance is 216.0
A sailor strikes the side of his ship just below the surface of the sea. He hears echo of the wave reflected from the ocean floor directly below 9 s later. How deep is the ocean at this point.
Tthe center C' of the smaller circle is a distance .80R from the center C of the larger circle. illustrate what is the position of the center of mass of the plate?
Two particles are fixed on an x axis. Particle 1 of charge 51.50 μC is located at x = -33.2 cm; particle 2 of charge Q is located at x = 10.10 cm. Particle 3 of charge magnitude 37.7 μC is released from rest on the y axis at y = 11.30 cm.
Four kilomoles of a monatomic ideal gas are at a temperature of 300 K, Compute the heat supplied to maintain a constant temperature
Illustrate what is the magnitude of the normal force exerted on the car by the walls of the cylinder at point B (at the top of the vertical circle)?
Find out total vector displacement
A 20.0 ?, 9.00 ?, and 9.00 ? resistor are connected in parallel to an emf source, What is the potential difference across the source
A swimmer runs horizontally off a diving board with a speed of 3.58 m/s and hits the water a horizontal distance of 1.79 m from the end of the board. How high above the water was diving board.
One of Einstein's postulates says that nothing travels faster than the speed of light in a vacuum, c, what limit does this place on the numerical value for n
strikes the wooden block of a ballistic pendulum, as shown. The block has a mass of 270 g. Find out the speed of the bullet/block combination immediately after the collision.
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