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Question: A ladybug with a velocity of 10.0 mm/s [W] crawls on a chair that is being pulled [50 degrees N of W] at 40.0 mm/s. What is the velocity of the ladybug, relative to the ground?
Determine value of ending inventory if the sales value at splitoff method is used for product costing. Round to 3 decimal places when necessary.
An electric current of 200 mA is maintained for 3 sec in a 20-ohm resistor. The temperature of the resistor remains constant at 25 C. What is the change in the entropy of the resistor?
A car moving at 10 m/s crashes into a barrier and stops in 0.050 s. There is a 20 kg child in the car. Assume that the child's velocity is changed by the similar amount as the car's in the similar time period.
A 1000-kg rocket has a net propulsion force of 20 kN (kiloNewtons). What is the net work done on the rocket in kilojoules (kJ)
A man pushes a lawnmower for 13.1 m along a handle that makes a 28.2° angle with the ground. He pushes with a force of 42.8 N even as the force of friction between the lawnmower and the ground is 13.7 N.
The 3.70 cm3 volume between the plates of a 444 pF parallel-plate capacitor is filled with a dielectric, Find the permittivity of the dielectric
A plane is headed due west with an air speed of 224 m/s. Find the velocity of the plane relative to the earth
A solid spherical ball of mass 1.44 kg and radius 0.11 m rolls along a smooth, level surface with a speed of 2 m/s. How far up the plane does the ball go
Light from a laser strikes a diffraction grating that has 5 300 grooves per centimeter. The central and first-order principal maxima are separated by 0.488 m on a wall 1.76 m from the grating.
A mass on a spring bobs up and down over a distance of 25 cm from the top to the bottom of its path twice each second. What are its period and amplitude
The potential difference between the plates of a capacitor is 247 V. Midway between the plates, a proton and an electron are released. find the initial speed of the proton
A ‘U' shaped pipe contains a liquid that is sealed at both ends by pistons. Determine the downward force
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