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EXPERIMENT 1 - STRESS AND STRAIN IN PLASTIC STRAP
AIMS
1. To use a strain gauge to measure the strain produced when a weight is hung from a plastic strap.
2. To calculate the stress.
3. To calculate Young's Modulus for this plastic.
EXPERIMENT 2 - YOUNG'S MODULUS OF A WIRE
AIM
1. To determine the Young's Modulus of a steel wire.
Two cars approach a street corner at right angles to each other. Car 1 travels at 35 km/h and second car at 45 km/h. Determine the relative velocity of first car as seen by second car
If the mercury in this barometer is replaced with water, to what height does the column of water rise
An ambulance with a siren emitting a whine at 1,190 Hz overtakes and passes a cyclist pedaling a bike at 2.1 m/s. How fast is the ambulance moving
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A banana has 0.45 g of potassium. 0.0117% of that potassium is 4019K, What is the activity of the banana
The greatest height reported for a jump into an airbag is 99.4 m by stuntman Dan Koko. In 1948 he jumped from rest from the top of the Vegas World Hotel and Casino. He struck the airbag at a speed of 39 m/s (88 mi/h).
A helicopter is ascending vertically with a speed of 3.00 m/s. At a height of 195 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground
A 87g arrow is fired from a bow whose string exerts an average force of 130N on the arrow over a distance of 80cm. Illustrate what is the speed of the arrow as it leaves the bow?
if only electric forces are important conservation of mechanical energy tells us kinit uinit kfinal ufinal. in
Two identical long wires of radius a = 1.72 mm are parallel and carry identical currentsin opposite directions. Their center-to-center separation isd = 14.6 cm. Neglect the fluxwithin the wires but consider the flux in the region between the wires..
a pendulum consists of a mass hanging from a string of length 1.0 mattached to the ceiling. suppose that this pendulum
A 45.0 kilogram girl is standing on a 159 kilogram plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. Find the velocity of the plank relative to the surface of ice
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