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Q. A chain consisting of five links, each of mass 0.200 kg, is lifted vertically with a constant acceleration of a = 2.7 m/s2. Find out the magnitude of the force that link 3 exerts on link 2.
Q. A speed skater moving across frictionless ice at 8 m/s hits a 5 m wide patch of rough ice. She slows steadily, and then continues on at 6 m/s. What is her acceleration on the rough ice?
A rectanbular tank is placed on wheels and is given a constant horizontal acceleration a. display that, at steady state, the angle made by the free surface with the horizontal is given by tan(delta)=a/g.
Five people are playing tug-of-war. Anders and alyson pull to the right with 44 N and 34 N, correspondingly. Calid and Marisol pull to the left with 55 N and 35 N, respectively. With what force and in what direction does Benito pul of the game is tie..
A 115 granite cube slides down a 35 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 235 steel cube at rest.
A machine part rotates at an angular speed of 0.48 rad/s; its speed is then increased to 2.8 rad/s at the angular acceleration of 0.61 rad/s2.
In what time interval does it reach this velocity. How high would the insect jump if air resistance were negligible.
A 105 granite cube slides down a 40 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 265 steel cube at rest. How high above the table must the granite cube be released to give the steel cube a speed of..
Compute the scalar product V.F
An apple drops from the tree and falls freely. The apple is originally at rest a height {H0} above the top of the grass of a thick lawn, which is made of blades of grass of height {h}. When apple enters the grass, it slows down at a constant rate ..
What is the lift (in newtons) because of Bernoulli's principle on a wing of area 78m^2 if the air passes over the top and bottom surfaces at speeds of 260m/s and 150 m/s, respectively.
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.
A proton moves perpendicularly to a uniform magnetic field at 5.0 107 m/s and exhibits an acceleration of 1.0 1013 m/s2 in the +x-direction when its velocity is in the +z-direction. find the magnitude and direction of the field.
The potential difference between the plates of a capacitor is 145 V. Midway between the plates; a proton and an electron are released. The electron is released from rest.
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