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A 1.02 kg mass is suspended from a wire changes the length of the wire by 1.20 mm. If the original length of the wire is 4.00 m and it's diameter is 5.00 mm, what is the stress in the wire due to the suspended mass?
A car accelerates uniformly from rest and covers a distance of 71 m in 5.6 s. If the diameter of a tire is 42 cm, 1.) Find the angular acceleration of the wheel.
You drop a stone into a deep well and hear it hit the bottom 2.60 s later. This is the time it takes for the stone to fall to the bottom of the well.
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 4.30, Calculate the dielectric constant of the inserted material
Water flows at 5.0;{rm L}/{rm s} through a horizontal pipe that narrows smoothly from 10 cm diameter to 5.0 cm diameter. A pressure gauge in the narrow section reads 50 kPa. What does the other pressure gauge read.
What provided the added kinetic energy? None of these is correct. the momentum of the platform the man moving the weights further away from his body the man pulling the weights closer to his body
A water pipe having a 2.60 cm inside diameter carries water into the basement of a house at a speed of 0.827 m/s, find water pressure (in kPa) at the second floor
The shot leaves the hand at a height of 2.110 m and at an angle of 33.60°, and it lands at a horizontal distance of 14.00 m. Illustrate what is the magnitude of the athlete's average force on the shot during the acceleration phase?
A projectile is launched perpendicularly upward from a planet of mass M; and radius R; its initial speed is twice the escape speed. Derive an expression for its speed as a function of the distance from the center of the planet.
A 40.0 kg girl and a 8.4 kg sled are on on ice (frection coefficient 0.01) of a frozen lake, draw free body diagrama for the girl and the sled
A 1125 kg car and a 2250-kg pickup truck approach a curve on the express way that has a radius of 225 m. (a) At what angle should the highway engineer bank this curve so that vehicles traveling at 95 km/h can safely round it? (b) As car and truck ..
What average force is required to accelerate 7 gram pellet from rest to 125 m/s over a distance of .8 m along the barrel of a rifle.
A 11 g bullet is fired horizontally into a 109 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 142 N/m. The bullet becomes embedded in the block.
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