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Physics Questions
A bar on a hinge starts from rest and rotates with an angular acceleration α =...
if a positively charged glass rod is touching the metal ball in an initially neutral electroscope,...
Four 7.5-kgkg spheres are located at the corners of a square of side 0.55 mm. Calculate...
How much heat is required to convert 5.0 kg of ice from a temperature of -...
A merry-go-round on a playground consists of a horizontal solid disk with a weight of 795...
The energy of the incoming helium nucleus was 7.27 10-13 J, and the masses of the helium...
1) Derive a time independent equation from the two Kinematic equations in FULLY REDUCED FORM. Show...
An unstable bio-molecule undergoes a chemical breakdown into two free radicals. The first free radical has...
1) A torque of 1.20 N m is applied to a thin rod of mass 2.50...
Romeo (73.0 kg) entertains Juliet (45.0 kg) by playing his guitar from the rear of their...
1. What is the resistance of a NichromeTM wire at 0.0 ∘C∘C if its resistance is...
Outside the space shuttle, you and a friend pull on two ropes to dock a satellite...
The ocean is eroding land from a coastal town at a rate of 0.01 mi^2/year. How...
While standing stationary and writing on a patient’s chart, a doctor drops her pen. What can...
A 2.00 kg ball is thrown straight upward from the top of a 50.0 m high...
Here are three displacements, each in meters: d→1=7.6î+4.8ĵ-9.2k̂, d→2=-1.0î+2.0ĵ+3.0k̂, and d→3=4.0î+3.0ĵ+2.0k̂. What is r→=d→1-d→2+d→3((a), (b) and...
A 17.6-kg crate starts at rest at the top of a 60.0° incline. The coefficients of...
A metal sphere is electronically neutral and mounted on an insulating support rod. A small amount...
A system consists of a point mass m=0.76kg and a uniform solid cylinder of mass Mcylinder=2.15kg...
To what percentage accuracy would you have to measure the period of a pendulum of known...
A standing wave on a string fixed at both ends is described by y(x,t)=2 sin((π/3)x)cos((π/3)t), where...
Three point charges are on the corners of an isosceles triangle (a triangle where two sides...
The front 1.20 m of a 1,450-kg car is designed as a "crumple zone" that collapses...
In a device called the ballistic pendulum, a compressed spring is used to launch a steel...
A 9.00-g lead bullet leaves the rifle at a temperature of 80.0 ˚C and hits a...
6. A 5.00 kg object is suspended vertically by a spring that is attached to a...
A box with 11 kg of mass slides down an inclined plane that is 2.0 m...
A 2.0 kg block slides on a frictionless horizontal surface with an initial speed of 15.0...
A frictionless spring system has k value of 1000N/m, amplitude of 15cm, mass of 100g. Calculate...
An ultracentrifuge accelerates from rest to 9.95×105 rpm9.95×105 rpm in 1.63 min1.63 min. What is its...
provide a good thesis for the title "freedom and confinement."
A liquid of density 1150 kg/m31150 kg/m3 flows steadily through a pipe of varying diameter and...
How much heat is required to convert 5.0 kg of ice from a temperature of -...
State the difference between a "Diagram" and a "Free Body Diagram" and then list the 4...
An inclined plane of angle θ = 20.0° has a spring of force constant k =...
A 5.32-kg object passes through the origin at time t = 0 such that its x...
An 800-kg race car can drive around an unbanked turn with coefficient of static friction between...
A golfer hits a shot to a green that is elevated 2.60 m above the point...
(20) An isolated parallel-plate capacitor (not connected to a battery) has a charge of Q=1.410-5 C....
a) In the case of a single slit, what is happening on the screen as you...
A railroad car of mass 2.90 ? 104 kg moving at 3.05 m/s collides and couples...
00-gauge copper wire has a diameter of 9.00 mm. Calculate the power loss in 1.25 kilometer...
You throw a ball with speed of 22.0 m/s in a direction that is 30.0 degrees...
Large regions of the interstellar medium can be detected and mapped by a spectral line in...
Specific heat of an adsorbed mobile monolayer. If the surface of some solid is maintained in...
A block accelerates down a ramp at 0.4 m/ s2. The angle is 31.3 degrees. Calculate the...
Question 9 (1 point) An airplane starts from rest (vo = 0) and accelerates down a...
A 584.5 g rubber ball is dropped from a height of 24.31 m and undergoes a...
any two masses in the universe are attracting each other with gravitational force. assume that four...
Water is poured into a cylindrical container that has a leak at the bottom, where h...
Sir Lancelot rides slowly out onto the 12.0 m long drawbridge. Unbeknownst to him, the cable...
12-A rod 16.0 cm long is uniformly charged and has a total charge of -21.0 µC....
The height of a plane above the ground is h = 3t^3. height in meters, t...
An air track glider attached to a spring oscillates with a period 1.50 s. At t=0...
A 2.9-kg cart is rolling along a frictionless, horizontal track towards a 1.7-kg cart that is...
Due to a temperature difference T, heat is conducted through an aluminum plate that is 0.0460...
Monochromatic light of wavelength 466 nm from a distant source passes through a slit that is...
A positive charged particle carries 0.9 µC and moves with a kinetic energy of 0.06 J....
can someone answer these please? 1. If a NERF dart is fired from a NERF gun...
Water is moving with a speed of 5.5 m/s through a pipe with a cross-sectional area...
1. A 42-cm-long solenoid, 1.8 cm in diameter, is to produce a 0.030-T magnetic field at...
A cook holds a 1.80-kg carton of milk at arm's length (see the figure below). What...
Charge is distributed uniformly throughout the volume of an infinitely long cylinder of radius R =...
An interference pattern is produced by light with a wavelength 560 nm from a distant source...
A car is designed to get its energy from a rotating flywheel in the shape of...
A B C D 20. A ball rolls off a table with a horizontal velocity of...
what are 2 examples of systematic errors that can occur in a force table experiment and...
1. A projectile is 2.6 m above the ground and is launched with a horizontal velocity...
Someone loudly shouting produces a 69 dB sound at a distance of 6 m. At what...
If a projectile is launched from the ground with a speed of 18 m/s at an...
Two objects collide on a frictionless surface. Object A with a mass of 200g is moving...
A file cabinet made of steel (m=50 kg) sits in the back of a dump truck....
A 19.3 kg door that is 1.19 m wide opens slowly as a pull of constant...
Energy is conventionally measured in Calories as well as in joules. One Calorie in nutrition is...
A 1.43 mF capacitor with an initial stored energy of 0.113 J is discharged through a...
A light cord is wrapped about a disk with radius of 30 cm and a mass...
Calculate the force on charge q=1.6e-9 C at horizontal position x and vertical position b due...
You drop a large ice cube of mass mc = 200g at an initial temperature of...
1- A (100 gm) bullet is fired horizontally (Vb=600 m/s) into 5 kg block at rest....
Consider three point charges arranged along the xx axis. Charge q1 = -4.60 nCnC is located...
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