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A dam, length L, height H is holding back water. What is the total force and...
Oak has a density of 750 kg/m^3 . What is the minimum mass an oak raft...
Consider a table that measures 1.5m
A horizontal 803-N merry-go-round is a solid disk of radius 1.59 m and is started from...
What is an example of Newton's Third Law? Jet engine Regenerative Braking Segway 2. Air passing...
1. What is Bernoulli's principle? The principal of the school a kid named Bernoulli goes to...
A ball is thrown vertically upward with a speed of 36.0 m/s. a) How high does...
1.The acceleration of an object is equal to the rate of change of its position the...
A wire of length 10 meters carrying a current of .6 amps to the left lies...
1.What is Newton's Second Law? An object will retain its state of motion unless some external...
1. What is Friction? Resistance Tension Inertia Both a and b 2. Which is an example...
Imagine an old hermit living in a cave in the mountains. Just before going to sleep,...
Expectant parents are thrilled to hear their unborn baby's heartbeat, revealed by an ultrasonic motion detector....
Zero, a hypothetical planet, has a mass of 5.8 x 1023 kg, a radius of 3.4...
A soap bubble with n=1.33 is illuminated by white light and produces constructive interference for a...
Particle 1 has a mass of m1 = 3.30 × 10-6 kg, while particle 2 has...
Assuming the Sun radiates as a blackbody at a temperature of 5800 K, calculate the expected...
Suppose an object has a charge of 1 C and gains 1.19 ✕ 1019 electrons. (a)...
A star lying 30 pc from the Sun has proper motion of 0.5 ′′/yr . A)...
a dorm RA sees a ball fall past her window. The ball take .20 s to...
1.Find the magnitude of the vector A1→ represented by the pair of components Ax1= -7.60 cm...
Suppose that, while lying on a beach near the equator of a far-off planet watching the...
A proton has an initial speed of 4.4×10^5 m/s . A) What potential difference is required...
An archer shoots an arrow at a 7.50m distant target; the bulls eye of the target...
Three point charges are arranged along the x-axis. Charge q1 = +3.75 µC is at the...
A potter's wheel is a disk that has a mass of 5.0 kg and a radius...
A wire of 52 turns has a surface area vector A = (5i + 3j -...
Identify two shortcuts take can not be used to quickly cool sterile loop and explain what...
Light with a wavelength of 432 nm in vacuo travels from vacuum to water. Find the...
A 120 kg satellite experiences a gravitational force by the Earth of 940 N. What is...
A 1500 kg aircraft going 30 m/s collides with a 3000 kg aircraft that is parked...
A gas, not necessarily in thermal equilibrium, consists of N particles, the speed distribution is not...
Two charged particles are located in the X-Y Plane. Particle 1 carries 0.900 uC of charge...
An airplane with a ground speed of 550 km/hr travels along a heading of 30 degrees...
A 40N force stretches a verticle spring 0.250m. a) what mass must be suspended from the...
A free hanging square loop of wire measuring 12cm x 8am is carrying a 2.3A current....
Two stationary positive point charges, charge 1 of magnitude 3.25 nC and charge 2 of magnitude...
A charge is placed at x = 0 meters and another charge of 5 micro-coulombs is...
A boy is pulling a toy box across a horizontal rough surface. If his pulling force...
While out on a call for GERMS, an EMT hears the sound of an ambulance approaching....
A marble is thrown horizontally with a speed of 22.1 m/s from the top of a...
Due to friction with Earth's atmosphere, a large static electric charge could build up on our...
What happens as a liquid changes into a vapor:
A tortoise and hare start from rest and have a race. As the race begins, both...
Question 1- A man has a mass of 65 kg on the Earth's surface. How far...
A very thin plastic rod is bent into a nearly complete circle with a radius of...
A) A simple camera telephoto lens consists of two lenses. The objective lens has a...
A) A converging lens of focal length 7.90 cm is 17.7 cm to the left of...
A conductor carries a current of I = 14.4 A in the direction of the plus...
Hurricanes can involve winds in excess of 130 km/h at the outer edge. a) Make a...
A satellite circles planet Roton every 3.6 hours in an orbit having a radius of 1.8...
A girl on a bicycle starts from rest and begins pedaling with constant acceleration. If she...
The earth is constantly bombarded by cosmic rays, which are charged particles from outer space. Find...
why we don't use high resistance in careyfoster bridge?
A block of mass 19.6 kg starts at rest at the top of a frictionless ramp...
A man holds a shovel full of snow; his right hand grasps the end of the...
A police car is chasing a car at 40m/s. If the siren transmit at a frequency...
1. An ideal pendulum has all of its mass m concentrated at the end of a...
You are given two metal spheres mounted on portable insulating supports. How would you give them...
It is 10 am and you have been hiking in the woods and somehow you got...
Bare free charges do not remain stationary when close together. To illustrate this, calculate the acceleration...
Mercury is poured into a tall glass. Ethyl alcohol (which does not mix with mercury) is...
3. A weather balloon rises through the atmosphere, its volume expanding from 3.3 m3 to 14...
A photon is incident on a hydrogen atom. The photon moves the electron from an n...
Find the angular momentum of Mars and the Moon?
A thirsty nurse cools a 2.00 L bottle of a soft drink (mostly water) by pouring...
If a-b = 5.8c, a+b = 4.9c, and c=5.4i+4.8j, then what are (a) the x component...
An expandable cube, initially 23 cm on each side contains 2.6 g of helium at 20∘C....
1. For a simple harmonic movement, is it possible that the position, speed and acceleration are...
In a graph of v1 vs v2. What does the slope represent? For a perfectly inelastic...
A spring tied to a vertical surface with constant K = 240N / m is compressed...
A wire with mass 55.0 g is stretched so that its ends are tied down at...
A material having an index of refraction of 1.35 is used as an antireflective coating on...
Polystyrene has dielectric constant 2.6 and dielectric strength 2.0 × 107 V/m. A piece of polystyrene...
A mass of is initially moving in the 2.5 m/s in the +x direction and collides...
The solubility product of barium sulfate is 1.08 x 10 -10. What is the saturated barium...
A tiger chasing Amber has a mass of 185kg and a kinetic energy of 14400 J....
1. Show that the electric dipole matrix elements of hydrogen〈ψ100| r |ψ300〉and <ψ200| r |ψ300〉are zero....
In a physics laboratory experiment, a coil with 180 turns enclosing an area of 13.9 cm2...
A boy throws a baseball onto a roof and it rolls back down and off the...
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