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You slide a 325 Newton trunk up a 20o incline plane with a constant velocity by exerting a force of 211Newton parallel to the inclined plane.
Find the component of the trunks weight parallel to the plane?
Determine the size and direction of the friction force?
Find the coefficient of friction?
A helium balloon ride lifts up passengers in a basket. Assume the density of air is 1.28 kg/m3, find the volume of helium in the balloon when fully inflated
You want to take a bath with the water temperature at 35°C. The water temperature is 38°C from the hot water tap and 11°C from the cold water tap. You fill tub with a total of 191kg of water. How many kilograms of water from the hot water tap do y..
two 2.00 cm x 2.00 cm plates that form a parallel-plate capacitor are charged to pm 0.708 nc.part a what is the
the drawing shows a skateboarder moving at 5.4 ms along a horizontal section of a track that is slanted upward by 48deg
Explain how much work does the spring do on the block if the spring is stretched from relaxed length by 15.1 mm as the block is moved?
The maximum possible efficiency of a heat engine which exhaust its heat at a temperature of 42.0o is 44.0 percent. What is the minimum value of the temperature
A thin flat plate is installed in a water tunnel as a splitter. The plate is 0.3 m long and 1 m wide. The free stream speed is 1.60 m/s. laminar boundary layers form on both sides of the plate. The boundary-layer velocity profile is approximated as p..
A model rocket is fired vertically from rest. It has a net acceleration of 17.0 m/s2. How long after liftoff does the rocket return to the ground
A 35.0g bullet moving at 475 m/s strikes a 2.5kg bag of flourthat is on ice, at rest. The bullet passes through the bag, andexits it at 275 m/s. How fast is the bag moving when the bulletexits?
The nucleus of a typical atom is 5.0 fm 1 fm =10^-15 m in diameter. A very simple model of the nucleus is a one-dimensional box in which protons are confined. Estimate the energy of a proton in the nucleus by finding the first three allowed energi..
A 160 object is taken to a height of 320 above the Earth's surface. What is the object's mass at this height
the wavelength of red helium-neon laser light in air is 632.8 nm.a what is its frequency?b what is its wavelength in
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