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A ball of mass 72.3 gram is fired into a bob of mass 323.9 gram. The dot on the bob rises 4.57 centimeters vertically. The ball is then fired horizontally from a table top therefore that the bottom of the ball starts out 110.6 centimeter above the level floor. Determine where should a piece of paper be located thus that the ball will hit it?
a baked potato at 250 degree celsius and a hot glass of milk at 70 degree celsius are in a tray in the same room.choose
A ball of mass m_b and volume V is lowered on a string into a fluid of density rho_f. Suppose that the object would sink to the bottom if it were not supported with the string.
An object starts from rest at time t = 0.00 s and moves in the +x direction with constant acceleration. compute the acceleration of the object
Water is in the big beaker. Scale 1 reads 87 newtons, scale 2 reads 948 newtons, and scale 3 reads 0 newtons. The hanging block has a density of 10 × 10^3 kg/m3. To the nearest tenth of newton what does scale 1 read after the block is fully lowere..
A physics student wants to build a spring gun that when aimed horizontally will give a 30.0- g ball an initial acceleration of 'g' by releasing a spring that has been compressed 14.0 cm. What spring constant is necessary? What is the velocity of the ..
A massless, rigid board is placed across two bathroom scalesthat are separated by a distance of 2.00 m. Find the weight of the person
A 62-kg water skier is being pulled by a nylon (Young's modulus 3.7 x 109N/m2) tow rope that is attached to a boat. What is the change in length of the rope when the skier has an acceleration whose magnitude is 0.49 m/s2
A certain atom has atomic number Z = 20 and atomic mass number A = 42. What is the approximate radius of the nucleus of this atom
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.90 cm apart. Determine the acceleration of the electron
A block of mass M hangs from a spring having spring constant k = 12 N/m and oscillates up and down with simple harmonic motion. What is the maximum speed of the block
Two blocks of mass m are suspended vertically as shown (one block by a spring, the other block to the first by a string), and initially motionless. An instant after the string is cut:
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 67.2° above the horizontal. The rocket is fired toward an 11.0 m high wall, By how much does the rocket clear the top of the wall
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