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In an emergency stop to avoid an accident, a shoulder-strap seat belt holds a 60 kilogram passenger firmly in place. If the car were initially traveling at 90 km/h and came to a stop in 5.5 second along a straight, level road, find the average force applied to the passenger by the seatbelt?
A small turtle moves at a speed of 186 furlongs per fortnight. Find the speed of the turtle in centimeters per second. Note that 1 furlong=220 yards and 1 fortnight=14 days
according to the bureau of labor statistics the average hourly wage in the us was 22.57 in may 2010. a random sample
A train is travelling up a 3.2 degree incline at a speed of 3.25 m/s when the last car breaks free and begins to coast. How long does it take for the last car to come to rest.
On a sphere with radius a there is an electric charche sigma=sigmazero*cos(theta). Determine the electrostatic potential for all points on the z-axis. (solve with integral over R^3 dV* chargedistribution* Greensfunction).
A mass m=4.8kg hangs on the end of a massless rope L=1.92m long. The pendulum is held horizontal and released from rest. what is the maximum mass that can be used
A 5-kilogram block is fastened to a vertical spring that has aspring constant of 1,000 newtons per meter. A 3-kilogram blockrests on top of the 5-kilogram block. the blocks are nw pushed down and released so that they oscillate.
At the bottom of its path, the ball strikes a 3.80 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find out the speed of the ball just after the collision ?
A singly charged positive ion has a mass of 2.65 10-26kg. After being accelerated through a potential difference of266 V, Calculate the radius of the path of the ion in the field
A child and sled with the combined mass of 60.4 kg slide down a frictionless hill. If the sled starts from rest and has a speed of 13.4 m/s at the bottom, what is the height of the hill.
A circular coil having an area of 24 cm^2 is plaved in a uniform magnetic field of 0.60T, which is derected vertically upward. Find the magnitude of the magnetic flux contained in the coil
Two identical containers are open at the top and are connected at the bottom via a tube of negligible volume and a valve which is closed. Both containers are filled initially to the same height of1.00 m, one with water, the other with mercury, as the..
An object of height 2.4 cm is placed 55 cm from a convex mirror of focal length having magnitude 12 cm. Describe the properties of the image
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