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A 3.50 kg block sits at rest on a frictionless table. It is connect by a light string over an ideal pulley to a 2.50 kg block hanging off the edge of the table. If the 2.50 kg block is released, how long will it take to fall 85 cm? Give your answer in seconds, and enter only the number.
Two massless bumper boats float with negligible friction in a pool, and carry three children, 1 in boat 1 and two in boat 2. Each child has mass, M.
Two moles of ideal gas at atmosperic pressure 20 degree celcius is confined to a closed container of volume 44.5 liter. What is the pressure in the container
q1. a 18.0 kg loudspeaker is suspended 2.40m below the ceiling by two 4.10m long cables that angle outward at equal
When an air capacitor with a capacitance of 400 nF (1nF=10^(-9) F)is connected to a power supply, the energy stored in the capacitoris 2.05×10^(−5) J. While the capacitor is keptconnected to the power supply, a slab of dielectric is inserted that ..
a criminal is escaping across a rooftop and runs off the roof horizontally at a speed of 5.3 ms hoping to land on the
At a county fair, two children ram each other head-on while riding on the bumper cars. Determine the speed of Jack and his car after the collision
A handheld digital multimeter (DMM) is used to measure the portential difference accross the first resistor by placing probe leads at each end of this resistor.
A compass is placed east of a wire. Draw two vector diagrams with a magnetic field felt by the compass. one with current and one without current.
Does the length of the Guy West Bridge ever change? Estimate the difference in the length of the footbridge between the hottest and coldest day of the year. estimate the length of the bridge
A force of 2 N is applied to a stationary 5 kg block for 0.3s. What is the speed of the block after the force is applied
Two spaceships are travelling in opposite directions in S frame of reference along a straight parallel trajectories separated by a distance d.speed of ship is c/2.Ship A ejects a package at a speed of 3c/4 at closets approach. Find the angle of pa..
A mass M of 2.71 kg is attached to the end of a string whose length is 0.640 m. The mass slides without friction on a horizontal surface. If the string can withstand a maximum tension of 77.1 N, what is the maximum tangential speed the ball can h..
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