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A cable is lifting a construction worker and a crate, as the drawing shows. The weights of the worker and crate are 859 N and 1440 N, respectively. The acceleration of the cable is 0.620 m/s2, upward. What is the tension in the cable
(a) below the worker and
(b) above the worker?
You drop a stone into a deep well and hear it hit the bottom 2.40 s later. This is the time it takes for the stone to fall to the bottom of the well, plus the time it takes for the sound of the stone hitting the bottom to reach you. Sound travels ..
What are the x and y components of the shell.
A 18.0 kg block is dragged over a rough, horizontal surface by a constant force of 77.6 N acting at an angle of 35? above the horizontal. The block is displaced 10.8 m, and the coefficient of kinetic friction is 0.149.
Assume that positive -axis is directed toward the direction of motion of cart 2.
A ring of wire is dipped into a soap solution and it is held so that the soap film on the ring is vertical. compute the thickness of the film
A 75?kg jogger runs with a speed of 4.2m/s, What is the jogger's de Broglie wavelength
A severe thunderstorm dumped 2.5 in of rain in 30 min on a town of area 33km2. What mass of water (in kg) fell on town? One cubic meter of water has a mass of 103kg.
An object is located 12.5 cm in front of a convex mirror, the image being 6.90 cm behind the mirror. How far in front of the mirror is the second object located
Ball 1, with a mass of 110g and traveling at 15m/s, collides head on with ball 2, which has a mass of 300g and is initially at rest, What are the final velocities of each ball if the collision is perfectly elastic
a 1250 kg car is traveling around a banked curve at a speed of 23.5 m/s. the curve is banked 24 degrees to the horizontal. draw a free body diagram for the car, including all forces acting on it. clearly label and name each force
We want to launch the package in such a way that it will never come back, and when it is very far from the asteroid it will be traveling with speed 187 m/s. We have a large and powerful spring whose stiffness is 3.0 105 N/m. Explain how much mus..
When the pitcher throws his fastball aimed at the clay, the ball becomes embedded in the clay and the two swing up to a maximum height of 0.11 m. If the mass of the baseball is 0.21 kg, find out the speed of the pitch. Please provide step by step ..
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