Engineering analysis

1. A -20nC charge is located at the origin. What is the strength of the electric

1. A -20nC charge is located at the origin. What is the strength of the electric field at the position (x,y)=(?5.0cm,?5.0cm)? What is the strength of the electric field at the pos…

1. A -4.50 nC point charge is surrounded by a electrostatic conducting spherical

1. A -4.50 nC point charge is surrounded by a electrostatic conducting spherical shell that has an inner radius of 7.00 cm, an outer radius of 9.00 cm, and a net charge of +- 6.50…

1. A .006 kg bullet is fired at a speed of 240 m/s into a 1.2 kg pendulum of len

1. A .006 kg bullet is fired at a speed of 240 m/s into a 1.2 kg pendulum of length .73 m. After the impact, the pendulum swings upward. How high does the pendulum swing, before c…

1. A 0.0340 kg bullet traveling at 120. m/s embeds itself in a 1.24 kg wooden bl

1.     A 0.0340 kg bullet traveling at 120. m/s embeds itself in a 1.24 kg wooden block which is at rest on a smooth surface. The block then slides toward a spring and collides wi…

1. A 0.060kg ball is propelled by a 1.10kg racquet from rest to a speed of 40.0m

1. A 0.060kg ball is propelled by a 1.10kg racquet from rest to a speed of 40.0m/s. If the two objects are in contact for 250ms, calculate the average force exerted by the racquet…

1. A 0.12kg body is connected to a wall by a spring with a spring constant of 57

1. A 0.12kg body is connected to a wall by a spring with a spring constant of 570 N/m. The body experiences simple oscillatory motion when pulled from its equilibrium rightward by…

1. A 0.150-kg, 50.0-cm-long uniform bar has a small 0.050-kg mass glued to its l

1. A 0.150-kg, 50.0-cm-long uniform bar has a small 0.050-kg mass glued to its left end and a small 0.130-kg mass glued to the other end. You want to balance this system horizonta…

1. A 0.150-kg, 50.0-cm-long uniform bar has a small 0.050-kg mass glued to its l

1. A 0.150-kg, 50.0-cm-long uniform bar has a small 0.050-kg mass glued to its left end and a small 0.130-kg mass glued to the other end. You want to balance this system horizonta…

1. A 0.2 kg bullet moving 1000m/s strikes and becomes imbeddedin a 1 kg wooden b

1. A 0.2 kg bullet moving 1000m/s strikes and becomes imbeddedin a 1 kg wooden block resting on a table. What is their velocity after the collision? A. What type of collision is #…

1. A 0.20 kg glider moving at 5 m/s to the rightcollides with a 0.25 kg glider m

1. A 0.20 kg glider moving at 5 m/s to the rightcollides with a 0.25 kg glider moving    2 m/s to the left. Afterwards, the0.25 kg glider moves 2 m/s to the right and the 0.20 kgg…

1. A 0.30-g pebble is held by a child whose feet are firmly planted on the groun

1.     A 0.30-g pebble is held by a child whose feet are firmly planted on the ground. (a) Find the forces (magnitude and direction) exerted by the earth on the pebble and exerted…

1. A 0.33-kg mass is hanging from a spring with spring constant 12 N/m. Then the

1. A 0.33-kg mass is hanging from a spring with spring constant 12 N/m. Then the mass is displaced from the equilibrium by 2.7 cm and let go. What is the resulting frequency of th…

1. A 0.3kg ball is traveling toward a wall in the +x direction with a speed of 1

1. A 0.3kg ball is traveling toward a wall in the +x direction with a speed of 15m/s. It hits the wall and bounces directly back with a speed of 12m/s. What is its change in momen…

1. A 0.5 kg mass extends a spring 1 cm. What is the frequency of oscillation of

1. A 0.5 kg mass extends a spring 1 cm. What is the frequency of oscillation of this mass and spring? 2. A fly lands on the mass. This increases the oscillation period by 0.001 se…

1. A 0.80 kg arrow flying in a straight line at 70.0 m/s hits and sticks in a bl

1. A 0.80 kg arrow flying in a straight line at 70.0 m/s hits and sticks in a block of wood at rest. If the mass of wood block is 5.4 kg, what is the velocity of the two after the…

1. A 0.l0-kilogram solid rubber ball is attached to the end ofa 0.80-meter lengt

1. A 0.l0-kilogram solid rubber ball is attached to the end ofa 0.80-meter length of light thread. The ball is swung in avertical circle, as shown in the diagram above. Point P, t…

1. A 1 kg block of wood is moving with a velocity of 10 m s^-1 on top of a table

1. A 1 kg block of wood is moving with a velocity of 10 m s^-1 on top of a table. The coefficient of kinetic friction between the block of wood and the table is 0.1. The block of …

1. A 1 kg of ice at 00C is placed into a perfectly insulated, sealed container t

1. A 1 kg of ice at 00C is placed into a perfectly insulated, sealed container that has 2 kg of water also at 00C. The water and ice completely fill the container, but the contain…

1. A 1,224-kg car is moving up a road with a slope (grade) of 24% while slowing

1. A 1,224-kg car is moving up a road with a slope (grade) of 24% while slowing down at a rate of 1.4 m/s^2. What is the direction and magnitude of the frictional force? (define p…

1. A 1,300 kg car moving at 7 m/s is stopped by the action of its breaks. The wo

1. A 1,300 kg car moving at 7 m/s is stopped by the action of its breaks. The work done by the car's breaks is ________J. 2. Assume an asteroid is in the shape of a sphere and has…

1. A 1,661-kilogram roller coaster car starts at point A almost at rest. It runs

1. A 1,661-kilogram roller coaster car starts at point A almost at rest. It runs downhill into a valley. At its bottom, the valey can be described by a circle with radius 7 m. Fin…

1. A 1-meter long aluminum cylindrical wire of 2 mm^2 cross-sectional area has a

1. A 1-meter long aluminum cylindrical wire of 2 mm^2 cross-sectional area has a uniform current of 10 amperes in it. The resistivity of aluminum is 2.63 * 10^-8 ohm-meter. The el…

1. A 1.0 kg block slides off the edge of a frictionless horizontal table with a

1. A 1.0 kg block slides off the edge of a frictionless horizontal table with a speed of 3.0 m/s. It lands in the back of a child’s toy truck, 1.0 m below the table top, and a hor…

1. A 1.00-kg duck is flying horizontally overhead at 1.50 m/s when a hunter fire

1. A 1.00-kg duck is flying horizontally overhead at 1.50 m/s when a hunter fires straight up. The 10-g bullet is moving vertically at a speed of 100 m/s when it hits the duck and…

1. A 1.00-kg duck is flying horizontally overhead at 1.50 m/s when a hunter fire

1. A 1.00-kg duck is flying horizontally overhead at 1.50 m/s when a hunter fires straight up. The 10-g bullet is moving vertically at a speed of 100 m/s when it hits the duck and…

1. A 1.0kg block is pushed a distance of 1.0m across a frozen lake by a constant

1. A 1.0kg block is pushed a distance of 1.0m across a frozen lake by a constant force. Starting from rest, the block attained a speed of 5m/s. How much further must the block be …

1. A 1.40 -kg object slides to the right on a surface having a coefficient of ki

1. A 1.40-kg object slides to the right on a surface having a coefficient of kinetic friction 0.250 (Figure a). The object has a speed of vi = 2.70 m/s when it makes contact with …

1. A 1.45 kg mass oscillates according to the equation x =0.700cos8.40 t , where

1. A 1.45 kg mass oscillates according to the equation x=0.700cos8.40t, where x is in meters and t is in seconds. PART A: Determine the amplitude. PART B: Determine the frequency.…

1. A 1.5 kg block is connected to a horizontal spring whose constant is 2.5 N/m.

1. A 1.5 kg block is connected to a horizontal spring whose constant is 2.5 N/m. The block is pulled to the right a distance of 4 cm and then released. a) What is the amplitude of…

1. A 1.50-kg iron horseshoe initially at 550°C is dropped into a bucket containi

1. A 1.50-kg iron horseshoe initially at 550°C is dropped into a bucket containing 19.0 kg of water at 26.0°C. What is the final temperature of the water–horseshoe system? Ignore …

1. A 1.50-kg iron horseshoe initially at 550°C is dropped into a bucket containi

1. A 1.50-kg iron horseshoe initially at 550°C is dropped into a bucket containing 19.0 kg of water at 26.0°C. What is the final temperature of the water–horseshoe system? Ignore …

1. A 1.7-cm-tall object is 14 cm in front of a-22 cm focal length. a. Calculate

1. A 1.7-cm-tall object is 14 cm in front of a-22 cm focal length. a. Calculate the image position b. Calculate the image height. 2. A 1.7-cm-tall object is 14 cm in front of a co…

1. A 10 cm tall object is located in front of a diverging lens with a power of -

1. A 10 cm tall object is located in front of a diverging lens with a power of -5 dipoters. Describe the type, location and height of the image created, and draw the ray diagrams …

1. A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initi

1. A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. (a) How much ene…

1. A 10-kg light fixture hangs from the ceiling of an elevator. Two 1-m wires ar

1. A 10-kg light fixture hangs from the ceiling of an elevator. Two 1-m wires are attached to the ceiling at angles of 45 1. A 10-kg light fixture hangs from the ceiling of an ele…

1. A 10.0 kg block is on an incline plane of variable angle. The coefficients of

1. A 10.0 kg block is on an incline plane of variable angle. The coefficients of static and kinetic friction are ?s=0.29 and ?k=0.22. (a) What is the minimum angle such that the b…

1. A 10.0-kg uniform ladder that is 2.50 m long is placed against a smooth verti

1. A 10.0-kg uniform ladder that is 2.50 m long is placed against a smooth vertical wall and reaches to a height of 2.10 m, as shown in the figure. The base of the ladder rests on…

1. A 100 kg satellite is in orbit around the Earth at a radius of 8.4x106m. What

1. A 100 kg satellite is in orbit around the Earth at a radius of 8.4x106m. What is the work done by gravity as the satellite moves through one complete orbit? A) 5.2x1010J B) 8.2…

1. A 1000-kg cart is riding to the right at 5.0 m/s, and a 70-kg athlete is stan

1. A 1000-kg cart is riding to the right at 5.0 m/s, and a 70-kg athlete is standing on the right end of the cart. Suddenly the athlete starts sprinting to the left with a speed t…

1. A 1000-turn coil of wire that is 2.4cm in diameter is in a magnetic field tha

1. A 1000-turn coil of wire that is 2.4cm in diameter is in a magnetic field that drops from 0.15T to 0 T in 12ms . The axis of the coil is parallel to the field. -What is the emf…

1. A 107.9 cm-long steel string with a linear density of 1.33 g/m is under 266.6

1. A 107.9 cm-long steel string with a linear density of 1.33 g/m is under 266.67 N tension. It is plucked and vibrates at its fundamental frequency. What is the wavelength of the…

1. A 10kO potentiometer sensor is used to measure displacement and is connected

1. A 10kO potentiometer sensor is used to measure displacement and is connected to a voltage source of 5V. The full range of the displacement is 10mm. When the potentiometer is at…

1. A 10kO potentiometer sensor is used to measure displacement and is connected

1. A 10kO potentiometer sensor is used to measure displacement and is connected to a voltage source of 5V. The full range of the displacement is 10mm. When the potentiometer is at…

1. A 10kO potentiometer sensor is used to measure displacement and is connected

1. A 10kO potentiometer sensor is used to measure displacement and is connected to a voltage source of 5V. The full range of the displacement is 10mm. When the potentiometer is at…

1. A 10kO potentiometer sensor is used to measure displacement and is connected

1. A 10kO potentiometer sensor is used to measure displacement and is connected to a voltage source of 5V. The full range of the displacement is 10mm. When the potentiometer is at…

1. A 11-g bullet with an unknown initial speed is shot directly at a 1-kg wooden

1. A 11-g bullet with an unknown initial speed is shot directly at a 1-kg wooden block, which rests on a frictionless surface. After impact, the bullet is embedded into the block,…

1. A 115 V do generator deliver 120A to a load. If the generator has an efficien

1. A 115 V do generator deliver 120A to a load. If the generator has an efficiency of 81 percent, calculate the mechanical power needed to drive it ( HP) 2. Calculate the full loa…

1. A 12-kg wooden crate rests on the floor (which is horizontal), with the coeff

1. A 12-kg wooden crate rests on the floor (which is horizontal), with the coefficient of static friction between the crate and the floor being 0.60. You then push on the crate wi…

1. A 12-kg wooden crate rests on the floor (which is horizontal), with the coeff

1. A 12-kg wooden crate rests on the floor (which is horizontal), with the coefficient of static friction between the crate and the floor being 0.60. You then push on the crate wi…

1. A 12-mm-high object is 10 cm from a converging lens with focal length 17 cm.

1. A 12-mm-high object is 10 cm from a converging lens with focal length 17 cm. (Hint: Draw a ray diagram to double-check your calculations and image type.) (a) Where is the image…