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Q. The human body can survive a negative acceleration trauma incident (sudden stop) if the magnitude of the acceleration is less than 250 m/s^2.
If you are in an automobile accident with an initial speed of 103 km/h and are stopped by an airbag that inflates from the dashboard, over what distance must the airbag stop you for you to survive the crash?
A car crashes into a wall at 25 m/s and its contents are brought to rest in 0.1s. display that the average force exerted on a 75-kg test dummy by the seat belt is more than 18,000 N.
A converging lens has a focal length of f = 29 cm. If an object is placed 40 cm from the lens, where will the image be formed.
Discover the magnitude of acceleration
A 35.0-g bullet moving at 475 m/s strikes a 3.2-kg bag of flour that is on ice, at rest. The bullet passes through the bag, leaving at 225 m/s. How fast is the bag moving while the bullet exits.
An airplane is flying with a velocity of 95m/s at an angle of 19.0^circ above the horizontal. When the plane is a distance 124m straight above a dog that is standing on level ground, suitcase drops out of luggage compartment.
A horizontal uniform bar of mass 2.7 and length 3.1 is hung horizontally on two vertical strings. String 1 is attached to the end of bar, and string 2 is attached a distance 0.7 from other end. A monkey of mass 1.6 walks from one end of the bar to th..
Two 12-cm-diameter charged rings face each other, 17.0 apart. Both rings are charged to + 40.0. What is the electric field strength at the midpoint between two rings.
A block of weight W can slide on a horizontal surface. A force of W/n1 is applied to the right that causes the block to accelerate with acceleration equal to g/n2. g is the acceleration by reason of gravity. If the coefficient of kinetic friction is ..
An open-pit coal mine consumes 96 hectares of land, down to the depth of 26 m, each year. What volume of earth, in cubic kilometres, is removed in this time.
Charges q and Q are placed on the x axis at x = 0 and x = 2.0 m, respectively. If q = -40 pC and Q = +30 pC, define the net flux through a spherical surface (radius = 1.0 m) centered on the origin.
An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at. It then oscillates with a period of 1.5 and the maximum speed of 32.
Find the flow rate of sludge and thickened sludge, salt concentration, water flow rate and pumping rate of a reservoir.
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