a a b. +)

Q: A pendulum of length L = 1.0 meter and bob of mass m = 1.0 kg is released from rest at an angle  = ...

A:

Q: Induction: Part F Which of the following changes would result in a clockwise emf in the loop? When y...

A:

Q: what is a spring constant

A: Spring constant is a physical quantity which determines the stiffness of a spring. It is denoted as ...

Q: During a fireworks display, a  0.300-kg  bottle rocket approaches the top of its trajectory and expl...

A: Use the conservation of momentum along the X direction.

Q: If a car takes a banked curve at less than a given speed, friction is needed to keep it from sliding...

A: Given Radius r = 84 m Angle θ = 14o

Q: A steel cable with mass is lifting a girder. The girder is speeding up. Draw a free-body diagram for...

A: The cable experiences tensile force and weight of both cable and girder.

Q: 10) An Aluminum sphere of radius R = 10 cm has a net charge Q. = 1.5 nC. Calculate the surface charg...

A: Charges reside only on the surface for a conducting sphere.

Q: If your gravitational potential energy in your classroom located on the first floor is zero, on the ...

A: Potential energy of a mass is obtained by the virtue of its position. In the given situation, potent...

Q: Please solve this question step by step to help me understand better. Thank you.

A: Write the kinematic equation of motion in vertical position. Write the kinematic equation of motion...

Q: Two blocks slide on a collision course across a frictionless surface, as in the figure. The resultin...

A:

Q: A worker keeps a 500 kg box in balance, as shown in the figure. What force should the worker exert o...

A:

Q: How large must the coefficient of static friction be between the tires and the road if a car is to r...

A:  

Q: A wire with current i = 3.00 A is shown in Fig. 3. Two semi-infinite straight sections, both tangent...

A: The magnetic field point into the page.

Q: A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 18.0° below th...

A: (a) Use the kinematic equation to find the velocity of the car at the bottom is

Q: Please Help

A: Thin positive lens refers to a convex lens. The formula for the magnification is:

Q: A baseball (m=145g)(m=145g) traveling 40 m/sm/s moves a fielder's glove backward 27 cmcm when the ba...

A: It is given that

Q: an airplane flies between two points on the ground that a re 500km apart. the destination is directl...

A: Let the north point towards positive y-axis and the east point towards positive X-axis.

Q: 1. A particle, Q, with a charge of +10.8 nC is isolated from all other charged objects. Point A is 1...

A: (a) The electric potential at point A, B and C is

Q: I need help with 14.

A: The mean density of moon is,  

Q: At what rate must a cylindrical spaceship rotate if occupants are to experience simulated gravity of...

A: Simulated gravity,

Q: A boat traveling at 30m/s [35 degrees east of north] takes 20 seconds to change its velocity to 25m/...

A: Consider the north direction as the vertical direction (+y direction) and east direction as the hori...

Q: 3. In the figure, three charges are arranged at the corners of a rectangle. Charge q1 is -16.0nC, ch...

A: As per guidelines, the first three parts have been answered.  

Q: What is the magnitude of Jill's velocity after the collision? Her direction is 36° south of east.

A: Use the conservation of momentum principle to solve for the velocity of Jill after the collision.

Q: 1. Four pairs of conducting spheres are shown with their net charges. They all have the same radius....

A: Part A When the spheres are brought into contact, the net charge on the spheres gets evenly distribu...

Q: 5. (a) What is the far point of a person whose eyes have a relaxed power of 50.5 D? (b) What is the ...

A: (a) The image in the eye of a human being is formed on the retina. Therefore, the distance between t...

Q: 5. (a) What is the far point of a person whose eyes have a relaxed power of 50.5 D? (b) What is the ...

A:

Q: One end of a cord is fixed and a small 0.500-kg object is attached to theother end, where it swings ...

A:

Q: What is the speed of each vehicle before the collision? (Ignore friction)

A: Given: mass of subcompact car m = 850 kg. mass of pickup truck M = 1800 kg. the velocity of both veh...

Q: Suppose that a penny has enough electrons removed from it to acquire 1.0 C of charge. A.) what fract...

A: (a)The number of electrons removed from the penny is given by the equation, Substituting the numeri...

Q: Five charges are arranged as shown in the figure, four identical charges form a square of side d whi...

A: At equilibrium, the gravitational force balances the upward component of the electrostatic forces du...

Q: When an automobile battery with an emf of 12.6 V is connected to a resistor of resistance 25.0 Ω,25....

A: (a)The equation for the potential difference across the resistor is,

Q: 14 A proton initially has = 4.01 - 2.0j + 4.0 s later has = -2.0i- 2.0j + 5.0k (in meters per second...

A:

Q: A bullet with mass 5.01 g is fired horizontally into a 2.053-kg block attached to a horizontal sprin...

A: In the question, we use the conservation of kinetic energy into elastic potential energy of the spri...

Q: 8) As shown in the figure to the right, three-point charges lie on the vertices of an equilateral tr...

A: Question 8: Given information: The charge on the charge # 1 = +q The charge on the charge # 2 = +q T...

Q: Two resistors connected in series have an equivalent resistance of 644 Ω. When they are connected in...

A: The equivalent resistance when the two resistances are connected in series is 644Ω. So, The equival...

Q: A bullet with mass 4.91 g is fired horizontally into a 2.129-kg block attached to a horizontal sprin...

A:

Q: In a crash test, a car of mass 1.44  103 kg collides with a wall and rebounds as shown in the figure...

A:

Q: A skateboarder is attempting to make a circular arc of radius r = 11 m in a parking lot. The total m...

A: When the skater slides there is only kinetic friction accelerating him radially.

Q: Steven carefully places a m=1.95 kgm=1.95 kg wooden block on a frictionless ramp so that the block b...

A: Given: m = 1.95 kg θ = 55.3o.

Q: Use the worked example above to help you solve this problem. A block of mass m1 = 1.72 kg, initially...

A:

Q: PRACTICE IT Use the worked example above to help you solve this problem. An pickup truck with mass 1...

A: Given information: Mass of the car (mc) = 9.48 ×102 kg The initial velocity of the car (vc) = 5.44 m...

Q: Astronomers predict that on Friday 13 April 2029 the asteroid 99942 Apophis is going to pass within ...

A: The kinetic energy of the asteroid is

Q: Two billiard balls of identical mass move toward each other as shown in the figure. Assume that the ...

A: Since the figure is missing in the question, taking the motion of the center of mass of the balls al...

Q: Question 4.1, haven't learned in class yet.

A:

Q: An express train passes through a station that is 220 m long. It enters with an initial speed of 22....

A: Given Length of station d = 220 m Length of train L = 130 m Initial speed u = 22.5 m/s Acceleration ...

Q: The pilot of an airplane executes a loop-the-loop maneuver in a vertical circle. The speed of the ai...

A: (a) Pilot’s apparent weight at the lowest point,

Q: A rotating platform of radius R = 2.7 cm is initially at rest. It then begins to move, such that a p...

A: (a)The equation for the radial acceleration is given by, The radial acceleration is,

Q: Transformers (cont.) Part E- The primary coil of a transformer has 200 turns and the secondary coil ...

A: Since the efficiency is not given, it is considered to be 1

Q: A sound pulse emitted underwater reflects off a school of fish and is detected at the same place 0.1...

A: Use, distance = speed x time 

Q: 1. Three particles, a, b, and c, enter a magnetic field as shown in Fig. below. What can you say abo...

A:

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.