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The high speed industrial drill having diameter of 98 cm builds up at 5.85hp at 1900 Rpm. What torque and force is exerted to the drill bit?
i) Determine what force should be exerted to the small piston when a weight if 1650 lb is to be lifted? ii) Determine the mechanical benefit of the hydraulic jack?
What water pressure should a pump which is positioned on the first floor supply to encompass water of the twenty-fifth floor of a building having a pressure of 26 1b/in2?
A baseball having mass.025 slug is thrown down with initial speed of 18 mi/hr from a bridge with height of 150 yards i) Determine its velocity when it strike the ground?
A 80 HP pump increases 150ft3 of water to the 8th floor of building when 1ft3 water has mass of 2.3 slug determine the height of each floor?
Determine the magnitude and direction of the car’s acceleration (relative to the road), for each case above, when the car encounters a stretch of frictionless icy (horizontal) road.
A fast train having speed v = 100 m/s moves on a straight track at latitude 60° N. A plumb bob is hanged from the ceiling. Sketch a free-body diagram and determine the angle (from the vertical)
A diameter of a wheel of a motorcycle is 1.2m and its mass is around 200kg it is traveling with angular velocity of 1200 rpm in a curve having the diameter of 50m i) Determine the linear velocity.
The ball having mass of 450 gram rotates around the tree having a diameter of 3m and speed 1400 rpm i) Determine the angular and linear speed
A woman of 60 kg runs up a flight of stairs having an augment of 4 meters in a time of 4.2 seconds. Determine the average power did she supply?
Determine the direction of the impulse delivered to the ball by the bat. Suppose that the ball and bat are in contact for 1.5 ms.
An automobile delivers 30 hp to the wheels if moving at a constant speed of 22 m/s. Determine the resistance force on the automobile at this speed? (1hp =746 watts)
A Girl and her bicycle encompass a net mass of 40 kg. At the top of hill her speed is 5m/s and her speed doubles as she rides down the hill. The hill is 10m high and 100m long. Determine how much ki
A damped mass-spring system oscillates at 113 Hz. The time constant of system is around 9.5 s. At t = 0 the amplitude of oscillation is 5 cm and the energy of oscillating system is around 86 J.
The voltage source is detached and then a dielectric (K= 3.2) is inserted to fill the space among the plates of one of the capacitors. Find out (i) the charge now on each capacitor, and (ii) the vol
The atoms of a certain mono-atomic gas encompass five energy levels: E1 = 0, E2 = 5.4 eV, E3 = 8.2 eV, E4 = 8.6 eV, and E5 = 12.4 eV, all measured up from E1.
Qualitatively describe the difference in average force the vaulter experiences from the two various landing pads. That is, which landing pad would apply the least force on the vaulter and explain wh
A surface fully surrounds a 2.0 x 10-6 C charge. Determine the electric flux through this surface when it is: (i) a sphere of radius 0.50 m; (ii) a sphere of radius 0.22m; and (iii) a cube with edg
A rectangular surface (0.21 m x 0.38 m) is oriented in the uniform electric field of 570 N/C. Determine the maximum possible electric flux via the surface?
A tungsten of 0.100 mm diameter filament in a light bulb is to encompass a resistance of 0.200 ohms at 20 degrees C. The resistivity of tungsten is 5.6 x10-8 ohms * m. Determine how long must it be?
Two loudspeakers produce sound waves all along the x-axis. The sound consists of maximum intensity if the speakers are 20 apart. The sound intensity reduces as the distance among the speakers is rai
Moving a charge from point A, where the potential is 320 , to point B, where the potential is 150 , takes 4.2x 10-4 of work. Determine the value of the charge?
Explain how far does the spring compress when the bullet becomes embedded in the block? Suppose that a spring constant of 500 N/m.
A particle of 3.0 kg having velocity v = (5.0 m/s) ihat - (6.0 m/s) jhat is at x = 3.0 m, y = 8.0 m. This is pulled by a 7.0 N force in the negative x direction. (i) Determine the angular momentum
The two vehicles are approaching an intersection. One is a 2500 pickup traveling at 13.0 from east to west (the -x direction), and another is a 1600 sedan going from south to north (the +y directio