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The 6-lb steel cylinder A and the 10-lb wooden cart B are at rest in the position shown when the cylinder is given a slight nudge, causing it to roll without sliding along the top surface of the cart. Neglecting friction between the cart and the ground, determine the velocity of the cart as the cylinder passes through the lowest point of the surface at C.
A rotten pumpkin of mass 2.44 kg is dropped from a height of 2-m above the ground. Ignore air friction. Let the positive y-axis point down. How much momentum will the pumpkin have
A wire is formed into a120 turn loop whose diameter is 35 cm and the resistance of theloop is 4 ohms. The loop is on the floor a downward magnetic isincreasing according to the formula b(t) =4t^6+5t+2
A soccer ball with mass 0.400 kilogram is traveling with a speed of 4.30 m/s at an angle of 20 degree counter clockwise from the +x axis. Compute the ball x and y components of momentum
Water is boiling in a pan at sea level on a stove. During 10 minutes of boiling, it is observed that 200 grams of water has evaporated. Then the rate of heat transfer to the water is what is kJ/min?
A hydrogen atom consists of a single proton and a single electron. Experimentally it is found that it takes 13.6eV of energy to strip the electron from the proton. calculate the size of the hydrogen atom
Spiderman, whose mass is 72.0 kg, is dangling on the free end of a 11.4-m-long rope, How much work was done by the gravitational force on Spiderman in this maneuver
Two metal disks, one with radius R1 = 2.50cm and mass M1 = 0.900kg and the other with radius R2 = 4.90cm, What is the magnitude of the downward acceleration of the block after it is released
A slit with width 0.22 mm is located 12 m from a screen. If light with λ = 550 nm is passed during this slit, what is the distance among the central bright fringe and the third dark fringe on the screen?
a charge of 2.73 microc is held fixed at the origin. a second charge of 2.73 microc is released from rest at the
For a damped oscillator with a mass of 380g, the spring constant 120 N/m and a damping coefficient of 76 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 28 cycles.
a long straight wire carries a current i13.5 a and is distance h15 cm from a rectangular current loop that carries a
Calculate the force a mother must exert to hold her 12.0 kg child in an elevator accelerates upward at 0.850 m/s2
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