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A hand-pumped water gun is held level at a height of 0.61 m above the ground and fired. The water stream from the gun hits the ground a horizontal distance of 5.9 m from the muzzle. Find the gauge pressure of the water gun's reservoir at the instant when the gun is fired. Assume that the speed of the water in the reservoir is zero, and that the water flow is steady. Ignore both air resistance and the height difference between the reservoir and the muzzle.
The secondary voltage of an ignition transformer in a furnace is 14.5 kV. When the primary operates at an rms voltage of 100 V, What is the impedance in the secondary
Suppose 1.0 mol of a monatomic ideal gas initially at 10 L and 307 K is heated at constant volume to 614 K, What is the efficiency of the cycle
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.50 104 m/s, and the radius of the orbit is 5.45 106 m. What is the orbital speed of the second satellite
A 62 driver gets into an empty taptap to start the day's work. The springs compress 1.5×10?2 . What is the effective spring constant of the spring system in the taptap
A 2 kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, After the collision, the velocity of the combined bodies is
Suppose the three particles in the figure have the same mass and speed. Rank the particles in order of decreasing magnitude of their charge. Additional info. the three particles are a b and c, each are rays. they are set up on a grid of circles th..
A military gun is mounted on a railroad car (m = 1400 kg), Find the recoil velocity of the car
Using thermogravimetric curve we can relate the mass changes to the stoichiometry involved. calculate the percentage weight loss for the following compounds when they are heated at uniform rate in thermogravimetric analysis.
A certain laboratory experiment requires an aluminum wire of length of 22.0 m and a resistance of 2.40 ? at 20.0°C. What diameter wire must be used
A container holds 0.60g of argon at a pressure of 9.0atm. Part A; How much heat is required to increase the temperature by 100degrees celsius at constant volume.
Illustrate what is the magnitude of the net torque on the wheel due to these three forces for an axis perpendicular to the wheel and passing through its center?
q1. a dockworker applies a constant horizontal force of 79.0 to a block of ice on a smooth horizontal floor. the
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