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1. A small car of mass 645 kg is parked behind a small truck of mass 1754 kg on a level road. The brakes of both the car and the truck are off so that they are free to roll with negligible friction. A 88 kg woman sitting on the tailgate of the truck shoves the car away by exerting a constant force on the car with her feet. The car accelerates at 1.2 m/s 2 .
a)What is the acceleration of the truck? Answer in units of m/s 2
b)What is the magnitude of the force exerted on the car? Answer in units of N
2. A 2.70 kg block is in equilibrium on an incline of 34.8? . The acceleration of gravity is 9.81 m/s 2 . What is Fn of the incline on the block? Answer in units of N.
Calculate the magnitude of the angular momentum of the Mars due to its rotation around an axis through the north and south poles, modeling it as a uniform sphere.
ball 1 with m1= 4.00kg is connected through a mass less rod with ball 2 with m2= 3.00kg. What is the net force on each ball
A 92.0-kg astronaut and a 1200-kg satellite are separated from the space ship, and are both at rest with respect to the ship without any method of getting to the ship. how far away from the ship is the satellite
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a 2.30-g bullet embeds itself in a 1.30-kg block which is attached to a spring of force constant 780 nm .if the maximum
A double- slit experiment is performed by a coherent (single frequency/wavelength) beam of laser light. Assume that the two slits are separated by a distance D= 0.1 mm; the distance (H) among the center of the pattern and the second ( m=2) bright reg..
a metal rod is forced to move with constant velocity along two parallel metal rails, connected with a strip of metal at one end. what is the current in amperes in the rod
one mole of oxygen gas is at a pressure of 5.30 atm and a temperature of 23.0degc.a if the gas is heated at constant
A car turns around a level ben of radius 12 m to the center of gravity of the car. What is the fastest speed the car can travel at without tending to overturn
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead the pipe\'s diameter is 57.5 cm (0.575 m), what is the pipe\'s diameter at the refinery
The objective of a telescope has a focal length of 50 cm and thefocal length of the ocular is 2 cm. What is the angular magnification of the telescope
A chair of weight 85.0N lies atop a horizontal floor; the floor is not frictionless. Using Newton's laws, calculate n, the magnitude of the normal force that the floor exerts on the chair
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