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a) Two point charges totaling 8.50 µC exert a repulsive force of 0.150 N on one...
expensive amplifier a is rated at 290 W and modest amplifier b is rated at 36...
A hockey puck (mass = 1 kg) leaves the players stick with a speed of 30...
An electron is to be accelerated in a uniform electric field having a strength of 1.8
A circular coil of radius 4.0 cm, resistance 0.30 Ω, and 100 turns is placed in...
A car starts at t=0 with a velocity of 25 m/s. It drives with a constant...
The assembly shown in the figure below consists of a thin rod of length ℓ =...
Four capacitors are placed within an 18.0 V circuit as follows: Two capacitors 30.0 μF and...
would newton 2nd law of motion (F=ma) still be correct with frictional forces acting on a...
9. Calculate the binding energy for each nucleon of Silver-109. The units of the result must...
In a Physics experiment, the Energy stored in a capacitor is transformed in heat and used...
In Quantum Mechanics there's an interesting phenomenon where an electron and a positron collide. Since these...
Two charged particles, q1 and q2, are located on the x-axis, with q1 at the origin...
2. (15pts, 5pts each) A ball is thrown from the top of a building that is...
Suppose we find a planet with an orbital period of 200 days around a star with...
Two balls, one of radius R and mass M, the other of radius 2R and mass...
A bullet is moving at a velocity of 50 m/s when it embeds into a lump...
To demonstrate circular motion, a teacher whirls vertically a bucket of water around an R radius...
A person's left eye has a near point of 43 cm and requires eyeglasses to correct...
An oven produces 900 J/s of 2.6 GHz microwaves. (a) how many photons per second is...
Question 7 A car travels 33 kilometers at an average speed of 26 km/h and then...
A bullet with speed 511 m/s and mass m = 5.00 g is shot into a...
A gold brick measuring 4.6 ft by 2.4 ft by 8.1 ft is submerged in water....
A charge of -2.80 nC is placed at the origin of a xy-coordinate system, and a...
Two electrons are initially separated by 75 cm when they are shot toward each other with...
In the display window of the toy store at the local mall, a battery-powered plane is...
Two Jupiter-size planets are released from rest 7.00×1010 mm apart. What are their speeds as they...
If we replace the resistors with light bulbs, do you think the shape of the V...
Three stars, each with the mass of our sun, form an equilateral triangle with sides 3×1011...
A convex mirror is on the exterior of the passenger side of many trucks… If the...
A car (mass = 2581 kg) is moving directly north at 4.88 m/s when it experiences...
A bottle 6.0 cm tall is located 69 cm from the concave surface of a mirror...
Two identical objects of the same mass come into thermal contact with each other. If object...
A 2.5 cm tall candle flame is 1.7 m from a wall. You happen to have...
A 0.011 kg marble is moving with a velocity of 0.45 m/s to the left when...
The potential energy stored in the compressed spring of a dart gun, with a spring constant...
The physics of work on an accelerating object. a) A sled is dragged along by a...
a)show that the potential energy on a capacitor is U=Q^2/(2c) for a capacitor C holding charge...
In the Biomedical and Physical Sciences building at MSU there are 138 steps from the ground...
A skier (m=55.0 kg) starts sliding down from the top of a ski jump with negligible...
An electron (mass m) is contained in a rectangular corral of widths Lx = L and...
A particle is confined to the one-dimensional infinite potential well of the figure. If the particle...
Any time energy is converted from one form to another, some of it is lost. The...
To get a flat, uniform cylindrical satellite spinning at the correct rate, engineers fire four tangential...
The aluminum cup inside your calorimeter weighs 39.96 g. You add 49.96 g of ice cold...
Prove and derive the formula to obtain electrical conductivity in microscopic quantities is σ = ((ne...
A jumper in the long-jump goes into the jump with a speed of 18 m/s at...
A car is traveling at a steady 70 km/hkm/h in a 50 km/hkm/h zone. A police...
Consider an ordinary 8 oz. glass of water (H20). Suppose, hypothetically, that all of the water...
Pennies The mass of a penny is about 3.00 grams, and its diameter is 19.0 mm....
When the play button is pressed, a CD accelerates uniformly from rest to 460 rev/min in...
Question 1 (1 point) Which is not necessary in order to do work on an object...
An object that is 4.00 cm tall is placed 9.0 cm in front of a concave...
A circuit consists of three resistors, R1<R2<R3R1<R2<R3,connected in series to a battery. A)Rank these resistors in...
1) Give an example from the United States of one centrifugal force and one centripetal force
A toy cannon uses a spring to project a 5.21-g soft rubber ball. The spring is...
Based on what you know about Kirchhoff’s laws of spectroscopy, explain how the Sun’s light can...
A spring loaded launcher sits at the bottom of the hill, which has an angle of...
On cold days many animals will fluff their fur out more, trapping a layer of air...
Which one of the Maxwell Equations listed below implies the non-existence of magnetic monopoles?
You have a tglass with an n=1.5 to the left of a tplastic with an n...
A proton traveling at 21.9° with respect to the direction of a magnetic field of strength...
A vertical vessel has an internal radius of 48”. The material's allowable stress is 12,000 psi....
A parallel-plate air capacitor has a capacitance of 500.0 pF and a charge of magnitude 0.150...
A 4.00-cm slide wire moves outward with a speed of 100 m/s in a 1.00 T...
A point charge q1 = +2.40 μC is held stationary at the origin. A second point...
Two open tubes both have actual length 1 m, but their diameters are D1 = 1...
Why is that marble floor appears colder than cemented floor in winter though both are at...
A typical neutron star may have a mass equal to that of the Sun but a...
Two particles, of mass m and mass nm, undergo a head-on, fully elastic collision. (Here n...
In Figure below, two identical resistors of resistance R = 24Ω, and a variable resistor Rx...
2-The space-time coordinates of two events 1 and 2 in a frame S are x1= 24...
A railroad car of mass 2.55 ✕ 104 kg moving at 3.25 m/s collides and couples...
1) As the earth rotates, what is the speed of a physics student in Miami, Florida,...
A 2 meter long glass tube, closed at one end, is lowered vertically to the bottom...
What is the magnitude of the resultant joint reaction force (JRF) in newtons (N) if the...
A man is driving his car with speed 53.0 mi/h on a horizontal stretch of road....
You are sitting in your parked car and notice a jogger approach in the convex side...
Hospitals are facing unprecedented financial challenges from entrepreneurial physician initiatives that are establishing competitive, free-standing diagnostic...
How can the concepts of conservation of energy and momentum be applied to determine how the...
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