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Q1. A 0.507 kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 15.1 N/m. The block rests on a frictionless surface. A 0.0520 kg wad of putty is thrown horizontally at the block, hitting it with a first speed of 2.43 m/s and sticking. How far does the putty-block system compress the spring?
Q2. A 378 N, uniform, 1.56 m bar is suspended horizontally by two vertical cables at each end. Cable A can support a maximum tension of 502.0 N without breaking, and cable B can support up to 397.0N. You want to place a small weight on this bar. What is the heaviest weight you can put on without breaking either cable?
What is tension in each of the cables
Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Determine the volume of each cube.
What are angles of refraction
What was the speed of the car when the brakes were applied.
A thin flat plate is installed in a water tunnel as a splitter. The plate is 0.3 m long and 1 m wide. The free stream speed is 1.60 m/s. laminar boundary layers form on both sides of the plate. The boundary-layer velocity profile is approximated as p..
A flight attendant pulls her 73 N flight bag a distance of 245 m along a level airport floor at a constant velocity. The force she exerts is 45 N at an angle of 54° above the horizontal.
Batteries are rated in terms of ampere-hours (A h). For example, a battery that can produce the current of 3.00 A for 5.00 h is rated at 15.00 A h. What is the total energy stored in an 8.0-V battery rated at 49.0 A h.
Perform the following unit conversions for parts (A) in the table below (B) through. Show your work using a step-wise approach.
Galaxies form by gravitational collapse of regions that are denser than average. Noting that the present day average mass density of the universe is ρ = 3 × 10-30 g/cm-3, estimate how long it takes for a galaxy to collapse.
An airplane is flying with a velocity of 93.0 m/s at an angle of 22.0^circ above the horizontal. When the plane is a distance 119 m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
Find out the acceleration of the sled and child
Elucidate the spacing between peaks
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