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A diver springs upward with an initial speed of 1.9 m/s from a 4.0-m board.
(a) Find the velocity with which he strikes the water. his displacement is y = -4.0 m
(b) What is the highest point he reaches above the water?
questiona 170g copper bowl contains 200g of water both at 21c. a very hot 490g copper cylinder is dropped into the
Blocks A (mass 2.00kg ) and B (mass 10.50kg ) move on a frictionless, horizontal surface. Find the maximum energy stored in the spring bumpers and the velocity of each block at that time
A 75 g piece of ice at an initially unknown temperature is placed into a glass of 350 g of water sitting at room temperature, What is the specific heat capacity of the unknown metal
You have a string with a mass of 0.0129 kg. You stretch the string with a force of 9.67 N, giving it a length of 1.95 m. What is the wavelength of the standing wave you create in the string
A car and driver have a combined mass of 100 kg. What is the force of the hill on the car as it passes over the top
Two identical conducting spheres each having a radius of 0.500 cm are connected by a light 1.60 m long conducting wire. estimate the tension in the wire.
A tensile specimen has a 10mm minimum diameter and a 50mm guage lenght. The stress and strain follow a linear behaivour before the applied load reaches 8 x 10^4 N, what is the young modulus for this material
A current of 18.0 mA is maintained in a single circular loop of 3.70 m circumference. Calculate the magnetic moment of the loop.
A bullet of mass 22 g is fired horizontally from a gun with a velocity of 1150 m/s into a wooden block of mass 8.0 kg sitting on a horizontal table
1.play with pendulum lab to figure out what variables affect the motion of a pendulum and write qualitative
X-rays are scattered from electrons in a carbon target. The measured wavelength shift is 0.00099 nm. Calculate the scattering angle
The length of a beam increases by 2.45mm when its temperature is raised from 27.74oC to 76.79 oC. What is the length of the beam at the initial temperature
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