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A Physicist must determine the mass = m of a block of a wood without a scale. He pulls the block of wood up a ramp angle = 30 degreesusing a rope. the rope provides a tension of T = 1030N parallel to the ramp, the block of wood is given a constant acceleration a = .50 m/s^s. the coefficient of kinetic friction = 1.15 for the wood sliding on the ramp. find the mass of the block?
shallow glass dish whose width w is 4.40 cm. When an observer's eye is placed as shown, the observer sees the edge of the bottom of the empty dish, Find the height h of the dish
A rectangular block of ice 12 m on each side and 1.3 m thick floats in sea water. The density of the sea water is 1025-kg/m3. The density of ice is 917 kg/m3. How many penguins of mass 26 kg each can stand on the ice block before they get their fe..
A bullet of mass m = 25 g is fired into a wooden block of mass M = 4.5 kg. The block is attached to a string of length 1.5 m. The bullet is embedded in the block, causing block to then swing.
A metallic sphere has a charge of +4.2 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 9.8 109 electrons are transferred. What are the charges of the sphere and the rod now?
A m1 = 14.50 kg object and a m2 = 10.00 kg object are suspended, joined by a cord that passes over a pulley with a radius of 10.00 cm and a mass of 3kg.
An elastic cord is 69 cm long when a weight of 57 N hangs from it but is 70 cm long when the weight of 75 N hangs from it. What is the "spring" constant k of this elastic cord.
An astronaut travels to an alternate universe that contains infinite charged plane and no other charged objects. The astronaut observes that the electric field in this universe has a magnitude of 1.20 N/C everywhere and points directly away from the ..
When the knob of a certain radio tuning capacitor is turned, the effective area of the plates in the interleaved position is reduced from 40 cm^2 to 10cm^2, What is the ratio of initial to the final capacitance
Determine the magnitude and direction of impulse delivered to the ball by the floor.
An ideal gas occupies 0.14 m3 at an absolute pressure of 1.2×105 Pa and temperature 280 K, How many moles of gas are there
Assuming the truck continues at constant speed from this minimum distance, for how long must the light remain yellow for the truck to completely clear the intersection before the light turns red.
Phonology: All the data for this problem come from a conservative dialect of Vèneto, a Romance language spoken in northern Italy near the city of Padua.
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