Engineering analysis

1. A person is seated in the rear of a motorhome (they have their seatbelt on) a

1. A person is seated in the rear of a motorhome (they have their seatbelt on) and notices a ball on the floor. The floor is initially sitting still relative to the person and the…

1. A person is standing on a rigid, 10 kg board that measures 1m in length. The

1. A person is standing on a rigid, 10 kg board that measures 1m in length. The board rests on two scales. The person is .67 m from the left. What is the persons mass in kg if the…

1. A person pushes 20-kg box 2.0m up a 16º incline at a constant speed. If his f

1. A person pushes 20-kg box 2.0m up a 16º incline at a constant speed. If his force is parallel to the incline and the coefficient of kinetic friction is 0.3, calculate (a) the m…

1. A person pushes a 13.5-kg crate at constant speed with a force F = 75.0 N dir

1. A person pushes a 13.5-kg crate at constant speed with a force F = 75.0 N directed at an angle of 45.0° to the horizontal. (a) Calculate the friction force acting on the crate.…

1. A person spearfishing from a boat sees a fish located 3 m from the boat at an

1. A person spearfishing from a boat sees a fish located 3 m from the boat at an apparent depth of 1 m. To spear the fish, the person should aim (a)    at the image of the fish. (…

1. A person starts from rest at the top of a large, frictionless, spherical surf

1. A person starts from rest at the top of a large, frictionless, spherical surface, and slides into the water below (see the drawing). At what angle ? does the person leave the s…

1. A person whose eyes are 1.70 m above the floor stands in front of a plane Mir

1. A person whose eyes are 1.70 m above the floor stands in front of a plane Mirror. The top of her head is 0.12 m above her eyes. a. What is the height of the shortest mirror in …

1. A physics book dropped from the top of the school takes 3.00 seconds to hit t

1. A physics book dropped from the top of the school takes 3.00 seconds to hit the ground. How high is the school and how fast was the book traveling when it hit the ground? 2. A …

1. A physics department has a Foucault pendulum, a long-period pendulum suspende

1. A physics department has a Foucault pendulum, a long-period pendulum suspended from the ceiling. The pendulum has an electric circuit that keeps it oscillating with a constant …

1. A physics student drops a rock from a high cliff to the river below. The time

1. A physics student drops a rock from a high cliff to the river below. The time from the beginning of the drop until she hears the sound of the rock hitting the water below is 10…

1. A physics student is sitting on a frictionless platform that is rotating with

1. A physics student is sitting on a frictionless platform that is rotating with an angular speed of wi = 3.8 rad/s. His arms are outstretched, and he is holding a heavy weight in…

1. A piano weighs 4500N.If the coefficient of sliding frictionbetween the piano

1. A piano weighs 4500N.If the coefficient of sliding frictionbetween the piano and the floor is .25,what force Fapp is necessaryto move the piano at a CONSTANT speed. 2.If the ap…

1. A piece of wood has dimensions (LaWxT): (0.600m)x(0.250m)x(0.080m). Its densi

1. A piece of wood has dimensions (LaWxT): (0.600m)x(0.250m)x(0.080m). Its density is 700[kg/m^3]. It is floating in water. a) How much of the wood's volume is over the waterline?…

1. A piece of wood has dimensions (LxWxT): (0.600m)x(0.250m)x(0.080m). Its densi

1. A piece of wood has dimensions (LxWxT): (0.600m)x(0.250m)x(0.080m). Its density is 700[kg/m^3]. It is floating in water. a) How much of the wood's volume is over the waterline?…

1. A pilot will black out if experiencing a centripetal acceleration of greater

1. A pilot will black out if experiencing a centripetal acceleration of greater than 5g s. An F-16 going 148 m/s enters a tight turn of radius 382 m. The pilot in this case is exp…

1. A pitcher throws a 0.25 kg ball of clay at a stationary 3.0 kg block of wood.

1. A pitcher throws a 0.25 kg ball of clay at a stationary 3.0 kg block of wood. The clay sticks to the wood on impact. The joint speed of the combined mass (clay plus wood) is 2 …

1. A pitcher throws a 0.25 kg ball of clay at a stationary 3.0 kg block of wood.

1. A pitcher throws a 0.25 kg ball of clay at a stationary 3.0 kg block of wood. The clay sticks to the wood on impact. The joint speed of the combined mass (clay plus wood) is 2 …

1. A pixie is flying directly east with a speed of 4 m/s relative to the air. Th

1. A pixie is flying directly east with a speed of 4 m/s relative to the air. The air is blowing due south at a speed of 3 m/s relative to the ground. With what speed and directio…

1. A plano-convex lens is one with a convex surface on one side and a flat surfa

1. A plano-convex lens is one with a convex surface on one side and a flat surface on the other. Suppose a thin lens is made of glass with index of refraction 1.5. If the radius o…

1. A plastic light pipe has an index of refraction of 1.41. For total internal r

1. A plastic light pipe has an index of refraction of 1.41. For total internal reflection, what is theminimum angle of incidence if the pipe is in the following media? (a) air 1° …

1. A plastic rod that has been charged to -5 nC touches a metal sphere. Afterwar

1. A plastic rod that has been charged to -5 nC touches a metal sphere. Afterward, the rod's charge is -8 nC. (a) What kind of charged particle was transferred between the rod and…

1. A player kicks a ball with an initial vertical velocity of 12 m/s and horizon

1. A player kicks a ball with an initial vertical velocity of 12 m/s and horizontal velocity of 16 m/s. (a) At what speed does the ball hit the ground? (b) For how long does the b…

1. A player pushes a 250-g hockey puck over frictionless ice with aconstant forc

1. A player pushes a 250-g hockey puck over frictionless ice with aconstant force, causing it to accelerate at 24 m/s^2 over adistance of 50.0 cm Find the work done by the hockey …

1. A point charge q 1 = 4.05 nC is placed at the origin, and a second point char

1. A point charge q1 = 4.05 nC is placed at the origin, and a second point charge q2 = -3.05 nC is placed on the x-axis at x=+ 20.0 cm . A third point charge q3 = 2.10 nC is to be…

1. A point charge q is placed midway between two identical positive point charge

1. A point charge q is placed midway between two identical positive point charges of magnitude 5.14 10-9 C. The resultant force on each of the three charges is zero. Find q. 2. Tw…

1. A point source of light is located 3.6 m below the surface of a large pool of

1. A point source of light is located 3.6 m below the surface of a large pool of water. Find the area of the largest circle on the pool's surface through which light coming direct…

1. A pole is held vertically by attaching wires at a height of 13.4 m above the

1. A pole is held vertically by attaching wires at a height of 13.4 m above the ground. The other end of each wire is anchored in the ground at a distance of 9.54 m from the base …

1. A police car is trying to track down a freight car before it canrendezvous wi

1. A police car is trying to track down a freight car before it canrendezvous with an U-Haul truck. The police car traveling at 60mph is trailing the freightcar which is traveling…

1. A positive charge +q is released near a positive fixed charge +Q. As q moves

1. A positive charge +q is released near a positive fixed charge +Q. As q moves away from Q, describe the behavior of its trajectory, velocity and acceleration. 2. Two parallel pl…

1. A positive charge +q is released near a positive fixed charge +Q. As q moves

1. A positive charge +q is released near a positive fixed charge +Q. As q moves away from Q, describe the behavior of its trajectory, velocity and acceleration. 2. Two parallel pl…

1. A positive charge is moving from point A to point B in a uniform electric fie

1. A positive charge is moving from point A to point B in a uniform electric field, as shown in the drawing. The electric force does __________ work on the charge and, as a conseq…

1. A positive charge q is placed on the y- placed on the y -axis at the location

1. A positive charge q is placed on the y- placed on the y -axis at the location ya axis at the location y = a. Another positive charge is y-axis +q X-axiS tq Which of the followi…

1. A positive charge q moves in the direction of an electric field, pointing fro

1. A positive charge q moves in the direction of an electric field, pointing from A to B. Which point in space has a higher electric potential, A or B? Explain. 2. Six point charg…

1. A positive point charge and a negative point charge have equal magnitudes. On

1. A positive point charge and a negative point charge have equal magnitudes. One charge is fixed to one corner of a square, and the other is fixed to another corner. On which cor…

1. A positively charged particle of mass 7.70 × 10 -8 kg is traveling due east w

1. A positively charged particle of mass 7.70 × 10-8 kg is traveling due east with a speed of 86.0 m/s and enters a 0.273-T uniform magnetic field. The particle moves through one-…

1. A pot with mass 4.1 kg has been sitting in a room with a temperature of 32 C

1. A pot with mass 4.1 kg has been sitting in a room with a temperature of 32 C for a long time. A person pours 619 grams of water with a temperature of 74 C into the pot. After a…

1. A power company is considering a new, 500 MW power plant and trying to decide

1.      A power company is considering a new, 500 MW power plant and trying to decide between burning coal or burning natural gas. The company is concerned that they may have to p…

1. A power company supplies a home with alternating current (ACcurrent). In AC c

1. A power company supplies a home with alternating current (ACcurrent). In AC current, electrons: A. move from the power company to the home. B. move from the home to the power c…

1. A power station with an efficiency of 0.3 generates 10 8 W of electric power

1. A power station with an efficiency of 0.3 generates 108 W of electric power and dissipates 2.33 108 W of thermal energy to the cooling water that flows through it. Knowing the …

1. A power station with an efficiency of 0.3 generates 10 8 W of electric power

1. A power station with an efficiency of 0.3 generates 108 W of electric power and dissipates 2.33 108 W of thermal energy to the cooling water that flows through it. Knowing the …

1. A power supply with internal resistance of 4 ? applies a voltage of 14 V. If

1. A power supply with internal resistance of 4 ? applies a voltage of 14 V. If a load resistor of 40 ? is in series with the power supply, then what is the current going through …

1. A precast concrete beam is cast at 2:00 pm. It can only be stripped when the

1. A precast concrete beam is cast at 2:00 pm. It can only be stripped when the maturity exceeds 800 °C hrs. The concrete is cast at 20 °C and held at this temperature for 6 hours…

1. A primitive diving bell consists of a cylindrical tank with one end open and

1. A primitive diving bell consists of a cylindrical tank with one end open and one end closed. The tank is lowered into a freshwater lake, open end downward. Water rises into the…

1. A projectile is fired and in 10 s it hits the ground with final velocity of 0

1. A projectile is fired and in 10 s it hits the ground with final velocity of 0.5 km/s at an angle of 60° below the horizontal. Find displacement and initial velocity of the proj…

1. A projectile is fired at an angle of 60.0° above the horizontal with an initi

1. A projectile is fired at an angle of 60.0° above the horizontal with an initial speed of 30.0 m/s. What is the magnitude of the horizontal component of the projectile's displac…

1. A projectile is fired at an angle of 60.0° above the horizontal with an initi

1. A projectile is fired at an angle of 60.0° above the horizontal with an initial speed of 30.0 m/s. What is the magnitude of the horizontal component of the projectile's displac…

1. A projectile is launched from a 300 m high cliff at an angle of 30 ? with an

1. A projectile is launched from a 300 m high cliff at an angle of 30? with an initial velocity of 150 m/s. (g=9.8m/s2). Begin by drawing a diagram and determine: a) The total tim…

1. A projectile is launched from a 300 m high cliff at an angle of 30 degree wit

1. A projectile is launched from a 300 m high cliff at an angle of 30 degree with an initial velocity of 150 m/s. (g=9.8m/s2). Begin by drawing a diagram and determine: a) The tot…

1. A projectile is launched from a 300 m high cliff at an angle of 30 degree wit

1. A projectile is launched from a 300 m high cliff at an angle of 30 degree with an initial velocity of 150 m/s. (g=9.8m/s2). Begin by drawing a diagram and determine: a) The tot…

1. A projectile is launched from a 300 m high cliff at an angle of 30? with an i

1. A projectile is launched from a 300 m high cliff at an angle of 30? with an initial velocity of 150 m/s. (g=9.8m/s ). Begin by drawing a diagram and determine: a) The total tim…